Fix diagnostic unit test assertions

:art:

Compare singleton buffers in `test_open_and_save_new_file`

Correctly report line boundaries when a map contains both folds and wraps

Use a new `Workspace::activate_item` API in project diagnostics

When selections lose their excerpts, move them to the next primary diagnostic

Reuse views when moving between diagnostic view and editors

Finish implementing ProjectDiagnostics::open_excerpts

Use `Buffer` handles instead of `MultiBuffer` as editor workspace items

Refactor opening workspace items

WIP: Add keybinding to open buffers under cursors

Display a "Checking..." message when running disk-based diagnostics

Show status bar item for project diagnostic summary

Move back `diagnostic_summaries` into `Worktree`

Avoid removing diagnostics from `Worktree` after opening a buffer

Clear selections on other excerpted buffers when setting active selections

Give a full-width background to the diagnostic headers

Introduce Expanded element

Unify Flexible and Expanded elements

Keep selections at the top of the project diagnostics view when it is first populated

Don't clobber diagnostics when getting new snapshot from background scanner

Revert "Remove special handling of multi-line primary diagnostic messages and fix tests"

Always group diagnostics the way they're grouped in the LSP message

Report backtraces of pending conditions when deterministic executor illegally parks

Send diagnostic summaries to guests when they join the project

Allow disk-based diagnostic progress begin/end events to interleave

Re-focus diagnostics editor when transitioning from an empty to a populated state

Polish rendering of inline errors

Maintain excerpt ordering correctly when some errors don't change

Wire up `refresh_anchors` in `Editor::refresh_selections` and call it

WIP - MultiBuffer::refresh_anchors

Merge branch 'main' into polish-project-diagnostics

Don't scroll editors away from the top of their buffer when content changes

Fix panic when resolving anchors after an excerpt id has been recycled

Merge branch 'main' into polish-project-diagnostics

Remove invalid excerpts as opposed to styling them differently

Show a message when no diagnostics are available

Forward events from remote worktrees to their projects

Replicate diagnostic summaries

Merge branch 'main' into polish-project-diagnostics

Re-enable cargo check for rust-analyzer

Rip out "diagnostic providers"

Run `Project::diagnose` when registering a new language on Worktree

Clip right when moving to next word in case we land on a block line

Position selections correctly when duplicating lines in a multi-buffer

Position cursors correctly in `Editor::delete_line` in a multi-buffer

Merge pull request #302 from zed-industries/sign-in-redirect

Merge pull request #301 from zed-industries/move-lines-in-multibuffer

Merge pull request #300 from zed-industries/fix-move-line-panic

Fix warning

Merge pull request #296 from zed-industries/fix-autoindent

Clear autoindent requests when applying autoindent

Merge pull request #295 from zed-industries/api

Merge pull request #294 from zed-industries/simplify-keymap-contexts

Merge pull request #293 from zed-industries/project-diagnostics

Add `API_TOKEN` environment variable to manifest

Add job post to Zed.dev

Add an endpoint for creating an access token for a GitHub login

Add the fetching of user JSON by github login with a token header

Relocate admin routes to make room for API

Fix journal format strings

Merge pull request #287 from zed-industries/journal

Merge pull request #281 from zed-industries/fix-release-asset-redirects

Merge pull request #276 from zed-industries/markdown

Merge pull request #275 from zed-industries/fix-selection-artifacts

Clear pending keystrokes after dispatching an action

In `add_option_view`, avoid bumping view's ref counts if view is None

Merge pull request #273 from zed-industries/flexible-blocks

Avoid allocating a `Patch` just to check if there are no edits

Merge pull request #272 from zed-industries/fold-map-edits

Merge pull request #269 from zed-industries/simplify-buffer-content

Merge pull request #268 from zed-industries/improve-file-navigation

Bump versions in preparation for release

Merge pull request #267 from zed-industries/fix-soft-wrap-disabled

Merge pull request #266 from zed-industries/fix-go-to-line

Merge pull request #265 from zed-industries/fix-collaborators-test

Merge pull request #263 from zed-industries/fix-highlighting-when-x-scrolled

Merge pull request #261 from zed-industries/setting-overrides

Merge pull request #260 from zed-industries/show-collaborators

Merge pull request #257 from zed-industries/go-to-line-plus-mouse

Merge pull request #256 from zed-industries/select-next

Merge pull request #252 from zed-industries/replace-sign-in-icon-with-text

Merge pull request #250 from zed-industries/go-to-line

Merge pull request #249 from zed-industries/invert-workspace-editor-dependency

Merge pull request #248 from zed-industries/columnar-selection

Merge pull request #244 from zed-industries/mouse-selections

Merge pull request #243 from zed-industries/outdent

Merge pull request #241 from zed-industries/toggle-comments

Merge pull request #238 from zed-industries/maximize-window

Remove cargo-bundle from dev-dependencies

Merge pull request #236 from zed-industries/soft-wrap-flaky-test

Merge pull request #235 from zed-industries/handle-screen-scale-factor-change

Merge pull request #233 from zed-industries/fix-split-selection-into-lines

Merge pull request #232 from zed-industries/uniform-bias

Fix the bias of deserialized selection sets

Fix selection set id mismatch when rendering guest selections

0.8.0

Bump RPC protocol version

Merge pull request #228 from zed-industries/faster-clock-global

Merge pull request #230 from zed-industries/rpc-write-timeout