Move session verification to FTUE flow, make it mandatory (#2594)

* Move session verification to the FTUE
* Allow session verification flow to be restarted
* Use `EncryptionService` to display session verification faster
* Remove session verification item from settings
* Remove session verification banner from room list
* Remove 'verification needed' variant from the `TimelineEncryptedHistoryBanner`
* Improve verification flow UI and UX
* Remove 'verification successful' snackbar message
* Only register push provider after the session has been verified
* Hide room list while the session hasn't been verified
* Prevent deep links from changing the navigation if the session isn't verified
* Update screenshots
* Renamed `FtueState` to `FtueService`, created an actual `FtueState`.

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Co-authored-by: ElementBot <benoitm+elementbot@element.io>

.maestro/tests/account/login.yaml

@@ -23,7 +23,8 @@ appId: ${MAESTRO_APP_ID}
 - inputText: ${MAESTRO_PASSWORD}
 - pressKey: Enter
 - tapOn: "Continue"
+- runFlow: ../assertions/assertSessionVerificationDisplayed.yaml
+- runFlow: ./verifySession.yaml
 - runFlow: ../assertions/assertAnalyticsDisplayed.yaml
 - tapOn: "Not now"
 - runFlow: ../assertions/assertHomeDisplayed.yaml
-- runFlow: ./verifySession.yaml

.maestro/tests/account/verifySession.yaml

@@ -1,6 +1,5 @@
 appId: ${MAESTRO_APP_ID}
 ---
-- tapOn: "Continue"
 - takeScreenshot: build/maestro/150-Verify
 - tapOn: "Enter recovery key"
 - tapOn:
@@ -8,4 +7,3 @@ appId: ${MAESTRO_APP_ID}
 - inputText: ${MAESTRO_RECOVERY_KEY}
 - hideKeyboard
 - tapOn: "Confirm"
-- runFlow: ../assertions/assertHomeDisplayed.yaml

.maestro/tests/assertions/assertSessionVerificationDisplayed.yaml

@@ -0,0 +1,5 @@
+appId: ${MAESTRO_APP_ID}
+---
+- extendedWaitUntil:
+    visible: "Confirm that it's you"
+    timeout: 10000