feat: Move Import/Export to Modes view toolbar (#8686) Cleanup of Mode Edit view

[hannesrudolph]

Here's the non‑technical summary of what changed:

• Export moved to the right of the mode dropdown; Import stays in the top toolbar. (Closes: [ENHANCEMENT] Move Import/Export to Modes view toolbar (next to "Create new mode") #8686)
• Mode actions are next to the dropdown in this order: +, Edit, Delete, Export (with consistent spacing).
• The separate API Configuration section was removed from this screen.
• The old name field was removed; renaming now happens inline from the Edit icon.
• After creating a mode, it's auto‑selected.
• After deleting a mode, it switches back to the default mode.
• Search now finds a mode immediately after you rename it.

No commits or pushes have been made.

Before	After

---

Important

Move Import/Export buttons to the toolbar in ModesView.tsx, maintaining existing functionality and removing them from the bottom section.

• UI Changes:
  • Move Import/Export buttons to the toolbar in ModesView.tsx, next to the "Create new mode" button.
  • Remove Import/Export buttons from the bottom section in ModesView.tsx.
• Functionality:
  • Retain existing behavior for Import/Export actions using vscode.postMessage.
  • Ensure buttons are keyboard-focusable and match toolbar style.
• Misc:
  • No new strings added; i18n remains unchanged.

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[roomote]

Rooviewer   See task on Roo Cloud

Re-review completed. The latest commit restores API Configuration controls to the Modes view, properly adding them below the mode selector with appropriate null handling for the listApiConfigMeta array.

No issues found.

Previous reviews

• bf35f3d: Review #1
• becb9ce: Review #2
• 2bcc73a: Review #3
• cfe434b: Review #4
• 769e019: Review #5
• f8f63c5: Review #6

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