Updated Screenshot Tests and fixed an issue with the MockMediaProvider (#554)

* updated the tests

* updated ui tests

* removed unused files

* fixed a bug that prevented the image to be added in the avatar of the rooms from the mock, and improved some UI tests

* swiftformat

* fixed an issue where the room Id was not matching the real room id coming from the timelineController, also updated some tests, and added a test for the case where the RoomAvatar is available.

* added some waitForExistence checks to allow the CI to find the UI elements

* this should make the loading bar always match at the HStack size

* code improvement for the tests

* fix for the max frame of the loading screen

* updated tests

* regenerated and improved some tests

* sonarcloud improvements

* changelog

UITests/Sources/UserSessionScreenTests.swift

@@ -29,7 +29,7 @@ class UserSessionScreenTests: XCTestCase {
         
         app.buttons["roomName:\(roomName)"].tap()
         
-        XCTAssert(app.staticTexts[roomName].exists)
+        XCTAssert(app.staticTexts[roomName].waitForExistence(timeout: 5.0))
         
         try await Task.sleep(for: .seconds(1))