Pressing ESC should not close the search window if it is docked.

Repro steps:
1. Create a new project
2. Open global search (CTRL+K)
3. Dock the search window in the main window container.
4. Focus the docked search window and press ESC.

Result: The search window closes.
Expected: The search window should not close itself it is was docked.
Suggestion: Instead if the search window is docked, the search text field should get cleared.