feat(frontend): deactivate alias buttons if user is not owner

These buttons and their functionality only work if the user is the owner, so it doesn't make sense to make it possible to press them otherwise…

Signed-off-by: Philip Molares <philip.molares@udo.edu>

frontend/src/test-utils/note-ownership.ts

@@ -0,0 +1,23 @@
+/*
+ * SPDX-FileCopyrightText: 2023 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+import * as useApplicationStateModule from '../hooks/common/use-application-state'
+import type { ApplicationState } from '../redux/application-state'
+
+jest.mock('../hooks/common/use-application-state')
+export const mockNoteOwnership = (ownUsername: string, noteOwner: string) => {
+  jest.spyOn(useApplicationStateModule, 'useApplicationState').mockImplementation((fn) => {
+    return fn({
+      noteDetails: {
+        permissions: {
+          owner: noteOwner
+        }
+      },
+      user: {
+        username: ownUsername
+      }
+    } as ApplicationState)
+  })
+}