Add inline branch creation to branch picker search

- let users create a new local branch directly from the branch combobox search
- remove separate "New branch" form/button flow in `BranchToolbar`
- add `inputClassName` support to `ComboboxInput` for native input styling control
9bd663be7fJulius Marminge committed on 2/15/2026, 7:35:48 AM· committed by Julius Marmingeparent58d926f
2 files changedLine totals unavailable