fix controls focus

feature/video-player/src/commonMain/kotlin/ru/shadowsparky/videoplayer/ui/DefaultControls.kt

@@ -89,8 +89,10 @@ fun DefaultControls(
             .safeDrawingPadding()
     ) {
         SideDoubleTapSeekZones(controller)
-        Box(modifier = Modifier.align(Alignment.TopStart).padding(8.dp)) {
-            BackButton(Color.White) { onBack() }
+        if (!isUiLocked.value) {
+            Box(modifier = Modifier.align(Alignment.TopStart).padding(8.dp)) {
+                BackButton(Color.White) { onBack() }
+            }
         }
         Row(modifier = Modifier.align(Alignment.TopEnd).focusGroup().padding(8.dp)) {
             if (audioTracksState.isNotEmpty() && !isUiLocked.value) {
@@ -252,11 +254,9 @@ private fun BoxScope.SideDoubleTapSeekZones(controller: PlayerController, enable
 
 @OptIn(ExperimentalMaterial3ExpressiveApi::class)
 @Composable
-private fun BoxScope.CenterControls(
-    state: PlayerState,
-    controller: PlayerController
-) {
+private fun BoxScope.CenterControls(state: PlayerState, controller: PlayerController) {
     val scope = rememberCoroutineScope()
+    val focusRequester = remember { FocusRequester() }
     var canRequestFocus by remember { mutableStateOf(false) }
     Box(
         modifier = Modifier.align(Alignment.Center)
@@ -283,13 +283,13 @@ private fun BoxScope.CenterControls(
                     )
                 }
             }
-
             else -> {
                 Row(
                     verticalAlignment = Alignment.CenterVertically,
                     horizontalArrangement = Arrangement.spacedBy(16.dp)
                 ) {
                     IconButton(
+                        modifier = Modifier.focusRequester(focusRequester),
                         onClick = {
                             scope.launch {
                                 if (state.isPlaying) controller.pause() else controller.play()
@@ -309,11 +309,17 @@ private fun BoxScope.CenterControls(
                         )
                     }
                 }
-                canRequestFocus = true
+                LaunchedEffect(canRequestFocus) {
+                    if (canRequestFocus) {
+                        withFrameNanos {}
+                        focusRequester.requestFocus()
+                        canRequestFocus = false
+                    }
+                }
             }
         }
     }
-    LaunchedEffect(state.videoUrl) { canRequestFocus = false }
+    LaunchedEffect(state.videoUrl) { canRequestFocus = true }
 }
 
 private suspend fun PlayerController.seek(minus: Boolean) {