Show recovery instead of verification if this is the last session and recovery is set up

* Show recovery instead of verification if this is the last session and recovery is set up

* Rename `recoveryKeyState` to `recoveryState`

* Remove duplicates on session security state changes.

* Fix missing "Save recovery key" button

* Fix unit tests

* Rename `isLastDevice` to `isOnlyDeviceLeft`

* Address PR comments

ElementX/Sources/Screens/HomeScreen/View/HomeScreenContent.swift

@@ -116,10 +116,13 @@ struct HomeScreenContent: View {
                 filters
             }
             
-            if context.viewState.showSessionVerificationBanner {
+            switch context.viewState.securityBannerMode {
+            case .sessionVerification:
                 HomeScreenSessionVerificationBanner(context: context)
-            } else if context.viewState.showRecoveryKeyConfirmationBanner {
+            case .recoveryKeyConfirmation:
                 HomeScreenRecoveryKeyConfirmationBanner(context: context)
+            default:
+                EmptyView()
             }
             
             if context.viewState.hasPendingInvitations, !context.isSearchFieldFocused {

ElementX/Sources/Screens/HomeScreen/View/HomeScreenUserMenuButton.swift

@@ -29,7 +29,7 @@ struct HomeScreenUserMenuButton: View {
                     Label {
                         Text(L10n.commonSettings)
                     } icon: {
-                        if context.viewState.requiresSecureBackupSetup, context.viewState.isSessionVerified == true {
+                        if context.viewState.requiresExtraAccountSetup {
                             CompoundIcon(asset: Asset.Images.settingsIconWithBadge)
                         } else {
                             CompoundIcon(\.settings)
@@ -50,7 +50,7 @@ struct HomeScreenUserMenuButton: View {
                                 avatarSize: .user(on: .home),
                                 imageProvider: context.imageProvider)
                 .accessibilityIdentifier(A11yIdentifiers.homeScreen.userAvatar)
-                .overlayBadge(10, isBadged: context.viewState.requiresSecureBackupSetup && context.viewState.isSessionVerified == true)
+                .overlayBadge(10, isBadged: context.viewState.requiresExtraAccountSetup)
                 .compositingGroup()
         }
         .accessibilityLabel(L10n.a11yUserMenu)