Render Room and Message Pills (#3809)

* added a way to render the room and the message

pills, but is WIP

* permalinks now get converted into pills!

* fixed an issue where room address mentions

were not adding a URL properly but a string

* updated tests

* c

* Revert "c"

This reverts commit 5c80252fa23dba7e4d44f2a07fbf1e9500e37c82.

* updated tests

* more tests

* created APIs to get a specific RoomSummary

given the id or the alias

* small mention builder improvement

* pr suggestions

ElementX/Sources/Services/Client/ClientProxy.swift

@@ -515,6 +515,18 @@ class ClientProxy: ClientProxyProtocol {
             return .failure(.sdkError(error))
         }
     }
+    
+    func roomSummaryForIdentifier(_ identifier: String) -> RoomSummary? {
+        // the alternate room summary provider is not impacted by filtering
+        alternateRoomSummaryProvider?.roomListPublisher.value.first { $0.id == identifier }
+    }
+    
+    func roomSummaryForAlias(_ alias: String) -> RoomSummary? {
+        // the alternate room summary provider is not impacted by filtering
+        alternateRoomSummaryProvider?.roomListPublisher.value.first { roomSummary in
+            roomSummary.canonicalAlias == alias || roomSummary.alternativeAliases.contains(alias)
+        }
+    }
 
     func loadUserDisplayName() async -> Result<Void, ClientProxyError> {
         do {