## Objective

- Fixes #61437 — Wide tables in doc comments get clipped instead of
being scrollable

## Solution

- Changed `.overflow_hidden()` to `.overflow_x_scroll()` on the table
rendering div in `crates/markdown/src/markdown.rs`
- When `table_columns_min_size` is true (as in the hover popover style),
grid columns use min-content sizing. Wide column content exceeds the
table width, and `.overflow_hidden()` clips it. `.overflow_x_scroll()`
makes the overflow scrollable.
- This same pattern is already used for code blocks in the same file
(line 2367).

## Testing

- Change is a single property affecting element rendering/layout
- Visual verification needed: hover a doc comment with a wide markdown
table, verify horizontal scrollbar appears and content is accessible
- Existing markdown tests should pass unchanged

## Recording


https://github.com/user-attachments/assets/d07aa6eb-ac9d-453f-9e51-453a33302cbd

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Release Notes:

- Fixed wide tables in documentation hover popovers being clipped
instead of horizontally scrollable