Add some new space properties. (#4544)

* Use the via property on SpaceRoom.

* Fall back to the canonical alias as a space room name if needs be.

* Use SpaceRoom.isDirect for computing the name/avatar.

* Pass in the parent space as a workaround for no restricted join rules.

UnitTests/Sources/SpaceListScreenViewModelTests.swift

@@ -72,7 +72,7 @@ class SpaceListScreenViewModelTests: XCTestCase {
         ])
         spaceServiceProxy = SpaceServiceProxyMock(.init())
         spaceServiceProxy.joinedSpacesPublisher = joinedSpacesSubject.asCurrentValuePublisher()
-        spaceServiceProxy.spaceRoomListSpaceIDClosure = { [joinedSpacesSubject] spaceID in
+        spaceServiceProxy.spaceRoomListSpaceIDParentClosure = { [joinedSpacesSubject] spaceID, _ in
             guard let spaceRoomProxy = joinedSpacesSubject?.value.first(where: { $0.id == spaceID }) else { return .failure(.missingSpace) }
             return .success(SpaceRoomListProxyMock(.init(spaceRoomProxy: spaceRoomProxy)))
         }

UnitTests/Sources/SpaceScreenViewModelTests.swift

@@ -200,7 +200,7 @@ class SpaceScreenViewModelTests: XCTestCase {
                                                           paginationResponses: paginationResponses))
         
         let spaceServiceProxy = SpaceServiceProxyMock(.init())
-        spaceServiceProxy.spaceRoomListSpaceIDClosure = { [mockSpaceRooms] spaceID in
+        spaceServiceProxy.spaceRoomListSpaceIDParentClosure = { [mockSpaceRooms] spaceID, _ in
             guard let spaceRoomProxy = mockSpaceRooms.first(where: { $0.id == spaceID }) else { return .failure(.missingSpace) }
             return .success(SpaceRoomListProxyMock(.init(spaceRoomProxy: spaceRoomProxy)))
         }