Implement MSC4155: Invite filtering (#29603)

* Add settings for MSC4155

* copyright

* Tweak to not use js-sdk

* Update for latest MSC

* Various tidyups

* Move tab

* i18n

* update .snap

* mvvm

* lint

* add header

* Remove capability check

* fix

* Rewrite to use Settings

* lint

* lint

* fix test

* Tweaks

* lint

* revert copyright

* update screenshot

* cleanup

test/unit-tests/components/structures/MatrixChat-test.tsx

@@ -127,7 +127,7 @@ describe("<MatrixChat />", () => {
         setGuest: jest.fn(),
         setNotifTimelineSet: jest.fn(),
         getAccountData: jest.fn(),
-        doesServerSupportUnstableFeature: jest.fn(),
+        doesServerSupportUnstableFeature: jest.fn().mockResolvedValue(false),
         getDevices: jest.fn().mockResolvedValue({ devices: [] }),
         getProfileInfo: jest.fn().mockResolvedValue({
             displayname: "Ernie",