Refactor userEventPermissions

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/room/powerlevels/MatrixRoomPowerLevels.kt

@@ -65,3 +65,8 @@ suspend fun MatrixRoom.canRedactOwn(): Result<Boolean> = canUserRedactOwn(sessio
  * Shortcut for calling [MatrixRoom.canRedactOther] with our own user.
  */
 suspend fun MatrixRoom.canRedactOther(): Result<Boolean> = canUserRedactOther(sessionId)
+
+/**
+ * Shortcut for calling [MatrixRoom.canUserPinUnpin] with our own user.
+ */
+suspend fun MatrixRoom.canPinUnpin(): Result<Boolean> = canUserPinUnpin(sessionId)

libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/room/MatrixRoomState.kt

@@ -56,6 +56,13 @@ fun MatrixRoom.canCall(updateKey: Long): State<Boolean> {
     }
 }
 
+@Composable
+fun MatrixRoom.canPinUnpin(updateKey: Long): State<Boolean> {
+    return produceState(initialValue = false, key1 = updateKey) {
+        value = canUserPinUnpin(sessionId).getOrElse { false }
+    }
+}
+
 @Composable
 fun MatrixRoom.isOwnUserAdmin(): Boolean {
     val roomInfo by roomInfoFlow.collectAsState(initial = null)