change (report room) : use client.isReportRoomApiSupported instead of hardcoded value

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/MatrixClient.kt

@@ -162,6 +162,11 @@ interface MatrixClient {
 
     fun canDeactivateAccount(): Boolean
     suspend fun deactivateAccount(password: String, eraseData: Boolean): Result<Unit>
+
+    /**
+     * Check if the user can report a room.
+     */
+    suspend fun canReportRoom(): Boolean
 }
 
 /**