fix(terminal): clear retained overlay for editor tabs (#11030)

src/renderer/src/components/terminal-pane/use-cold-parked-terminal-presentation.test.ts

@@ -48,6 +48,17 @@ describe('useColdParkedTerminalPresentation', () => {
     expect(presentedTargetId(hook.result)).toBe('b')
   })
 
+  it('clears the terminal presentation when the group activates non-terminal content', () => {
+    const hook = renderPresentationHook({
+      desiredTargetId: 'a',
+      coldParkedTargetIds: new Set()
+    })
+
+    hook.rerender({ desiredTargetId: null, coldParkedTargetIds: new Set() })
+
+    expect(presentedTargetId(hook.result)).toBeNull()
+  })
+
   it('retains the prior target until a cold target settles', () => {
     const hook = renderPresentationHook({
       desiredTargetId: 'a',

src/renderer/src/components/terminal-pane/use-cold-parked-terminal-presentation.ts

@@ -56,7 +56,7 @@ export function resolveColdParkedPresentation(
       presentedTargetId: null,
       pendingTargetId: null
     }
-    if (entry.pendingTargetId === desiredTargetId) {
+    if (entry.pendingTargetId !== null && entry.pendingTargetId === desiredTargetId) {
       next.set(scopeId, entry)
       continue
     }