Fixes #8794: Bind ctrlCmd+a only when editor has text focus

src/vs/editor/common/config/config.ts

@@ -405,6 +405,6 @@ KeybindingsRegistry.registerCommandDesc({
  id: 'editor.action.selectAll',
  handler: selectAll,
  weight: KeybindingsRegistry.WEIGHT.editorCore(),
- when: null,
+ when: KbExpr.has(editorCommon.KEYBINDING_CONTEXT_EDITOR_TEXT_FOCUS),
  primary: KeyMod.CtrlCmd | KeyCode.KEY_A
 });