[PM-934] Autofill not working until page has been refreshed (#6826)

* [PM-934] Autofill not working until page has been refreshed

* [PM-934] Adjusting cleanup of the messages_handler script

* [PM-934] Fixing small issue found within collection of page details

* [PM-934] Addressing concenrs brought up during code review

* [PM-934] Addressing concenrs brought up during code review

* [PM-934] Addressing concenrs brought up during code review

* [PM-934] Addressing concenrs brought up during code review

* [PM-934] Applying re-set changes to the autofill overlay implementation on reset of the extension

* [PM-934] Applying jest tests to added logic within AutofillOverlayContent service

* [PM-934] Fixing typo present in tabs background listener

* [PM-934] Finishing up jest tests for updated implementation

* [PM-934] Incorporating methodology for ensuring the autofill overlay updates to reflect user settings within existing tabs

* [PM-934] Refining implementation to ensure we do not unnecessarily re-inject content scripts when the autofill overlay settings change

* [PM-934] Working through jest tests for added implementation details

* [PM-934] Working through jest tests for added implementation details

* [PM-934] Finalizing jest tests for implemented logic

* [PM-5035] Refactoring method structure

apps/browser/test.setup.ts

@@ -23,11 +23,12 @@ const runtime = {
     removeListener: jest.fn(),
   },
   sendMessage: jest.fn(),
-  getManifest: jest.fn(),
+  getManifest: jest.fn(() => ({ version: 2 })),
   getURL: jest.fn((path) => `chrome-extension://id/${path}`),
   connect: jest.fn(),
   onConnect: {
     addListener: jest.fn(),
+    removeListener: jest.fn(),
   },
 };