Use SDK API to build room and event permalinks.

libraries/matrix/test/src/main/kotlin/io/element/android/libraries/matrix/test/permalink/FakePermalinkBuilder.kt

@@ -16,7 +16,6 @@
 
 package io.element.android.libraries.matrix.test.permalink
 
-import io.element.android.libraries.matrix.api.core.RoomId
 import io.element.android.libraries.matrix.api.core.UserId
 import io.element.android.libraries.matrix.api.permalink.PermalinkBuilder
 
@@ -26,12 +25,4 @@ class FakePermalinkBuilder(
     override fun permalinkForUser(userId: UserId): Result<String> {
         return result()
     }
-
-    override fun permalinkForRoomAlias(roomAlias: String): Result<String> {
-        return result()
-    }
-
-    override fun permalinkForRoomId(roomId: RoomId): Result<String> {
-        return result()
-    }
 }

libraries/matrix/test/src/main/kotlin/io/element/android/libraries/matrix/test/room/FakeMatrixRoom.kt

@@ -84,7 +84,8 @@ class FakeMatrixRoom(
     override val activeMemberCount: Long = 234L,
     val notificationSettingsService: NotificationSettingsService = FakeNotificationSettingsService(),
     private val matrixTimeline: MatrixTimeline = FakeMatrixTimeline(),
-    private var permalinkResult: () -> Result<String> = { Result.success("link") },
+    private var roomPermalinkResult: () -> Result<String> = { Result.success("room link") },
+    private var eventPermalinkResult: (EventId) -> Result<String> = { Result.success("event link") },
     canRedactOwn: Boolean = false,
     canRedactOther: Boolean = false,
 ) : MatrixRoom {
@@ -278,8 +279,12 @@ class FakeMatrixRoom(
         return cancelSendResult
     }
 
+    override suspend fun getPermalink(): Result<String> {
+        return roomPermalinkResult()
+    }
+
     override suspend fun getPermalinkFor(eventId: EventId): Result<String> {
-        return permalinkResult()
+        return eventPermalinkResult(eventId)
     }
 
     override suspend fun editMessage(