Allow joined rooms to be pushed within a space. (#4460)

* Allow joined rooms to be pushed within a space.

* Push a room in the space flow tests.

Also fixes some snapshots stale snapshots.

* Show the selected space/room within a space and set a custom title view.

UITests/Sources/UserSessionScreenTests.swift

@@ -12,6 +12,7 @@ class UserSessionScreenTests: XCTestCase {
     let firstRoomName = "Foundation 🔭🪐🌌"
     let firstSpaceName = "The Foundation"
     let firstSubspaceName = "Company Space"
+    let firstSubspaceRoomName = "Management"
     
     enum Step {
         static let homeScreen = 1
@@ -21,6 +22,7 @@ class UserSessionScreenTests: XCTestCase {
         static let spaceList = 5
         static let spaceScreen = 6
         static let subspaceScreen = 7
+        static let subspaceRoomScreen = 8
     }
     
     func testUserSessionFlows() async throws {
@@ -69,6 +71,8 @@ class UserSessionScreenTests: XCTestCase {
     func testSpaceExploration() async throws {
         let app = Application.launch(.userSessionSpacesFlow)
         
+        app.swipeDown() // Make sure the header shows a large title
+        
         try await app.assertScreenshot(step: Step.spacesTabBar)
         
         // app.tabBars doesn't work on iPadOS 18 😐
@@ -85,5 +89,10 @@ class UserSessionScreenTests: XCTestCase {
         XCTAssert(app.staticTexts[firstSubspaceName].waitForExistence(timeout: 5.0))
         try await Task.sleep(for: .seconds(1))
         try await app.assertScreenshot(step: Step.subspaceScreen)
+        
+        app.buttons[A11yIdentifiers.spaceListScreen.spaceRoomName(firstSubspaceRoomName)].tap()
+        XCTAssert(app.staticTexts[firstSubspaceRoomName].waitForExistence(timeout: 5.0))
+        try await Task.sleep(for: .seconds(1))
+        try await app.assertScreenshot(step: Step.subspaceRoomScreen)
     }
 }

UITests/Sources/__Snapshots__/Application/userSessionScreen.testSpaceExploration-iPad-18-5-en-GB-4.png

@@ -1,3 +1,3 @@
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+size 452759

UITests/Sources/__Snapshots__/Application/userSessionScreen.testSpaceExploration-iPad-18-5-en-GB-6.png

@@ -1,3 +1,3 @@
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+size 374015

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@@ -1,3 +1,3 @@
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-size 277095
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UITests/Sources/__Snapshots__/Application/userSessionScreen.testSpaceExploration-iPhone-18-5-en-GB-4.png

@@ -1,3 +1,3 @@
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+size 509366

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@@ -1,3 +1,3 @@
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-size 402376
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+size 293006

UITests/Sources/__Snapshots__/Application/userSessionScreen.testSpaceExploration-iPhone-18-5-en-GB-7.png

@@ -1,3 +1,3 @@
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+size 109237

UITests/Sources/__Snapshots__/Application/userSessionScreen.testSpaceExploration-iPhone-18-5-en-GB-8.png

@@ -0,0 +1,3 @@
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