Revert "Make semanticsOwners snapshot state"

This reverts commit 71158c1.

Author: m-sasha

compose/ui/ui/src/desktopMain/kotlin/androidx/compose/ui/awt/ComposePanel.desktop.kt

@@ -217,9 +217,6 @@ class ComposePanel @ExperimentalComposeUiApi constructor(
     /**
      * Returns the [SemanticsOwner]s corresponding to the roots of the semantics trees in this
      * [ComposePanel].
-     *
-     * This is backed by snapshot state, so reading this property in a restartable function (e.g., a
-     * composable function) will cause the function to restart when set of semantics owners changes.
      */
     @ExperimentalComposeUiApi
     val semanticsOwners: Collection<SemanticsOwner>

compose/ui/ui/src/desktopMain/kotlin/androidx/compose/ui/awt/ComposeWindow.desktop.kt

@@ -85,9 +85,6 @@ class ComposeWindow @ExperimentalComposeUiApi constructor(
     /**
      * Returns the [SemanticsOwner]s corresponding to the roots of the semantics trees in this
      * [ComposeWindow].
-     *
-     * This is backed by snapshot state, so reading this property in a restartable function (e.g., a
-     * composable function) will cause the function to restart when set of semantics owners changes.
      */
     @ExperimentalComposeUiApi
     val semanticsOwners: Collection<SemanticsOwner>

compose/ui/ui/src/desktopMain/kotlin/androidx/compose/ui/scene/ComposeSceneMediator.desktop.kt

@@ -18,7 +18,6 @@ package androidx.compose.ui.scene
 
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalContext
-import androidx.compose.runtime.mutableStateSetOf
 import androidx.compose.ui.ComposeFeatureFlags
 import androidx.compose.ui.awt.AwtEventListener
 import androidx.compose.ui.awt.AwtEventListeners
@@ -669,7 +668,8 @@ internal class ComposeSceneMediator(
         private val _accessibilityControllers = linkedMapOf<SemanticsOwner, AccessibilityController>()
         val accessibilityControllers get() = _accessibilityControllers.values.reversed()
 
-        val semanticsOwners: Collection<SemanticsOwner> get() = _accessibilityControllers.keys
+        val semanticsOwners: Collection<SemanticsOwner>
+            get() = _accessibilityControllers.keys
 
         override fun onSemanticsOwnerAppended(semanticsOwner: SemanticsOwner) {
             check(semanticsOwner !in _accessibilityControllers)

compose/ui/ui/src/skikoMain/kotlin/androidx/compose/ui/ImageComposeScene.skiko.kt

@@ -20,7 +20,6 @@ package androidx.compose.ui
 
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.mutableStateSetOf
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.withFrameNanos
 import androidx.compose.ui.geometry.Offset
@@ -158,7 +157,7 @@ class ImageComposeScene @ExperimentalComposeUiApi constructor(
     private val _platformContext = object : PlatformContext by PlatformContext.Empty,
         PlatformContext.SemanticsOwnerListener {
 
-        val semanticsOwners = mutableStateSetOf<SemanticsOwner>()
+        val semanticsOwners = linkedSetOf<SemanticsOwner>()
 
         override fun onSemanticsOwnerAppended(semanticsOwner: SemanticsOwner) {
             semanticsOwners.add(semanticsOwner)
@@ -198,9 +197,6 @@ class ImageComposeScene @ExperimentalComposeUiApi constructor(
     /**
      * Returns the [SemanticsOwner]s corresponding to the roots of the semantics trees in this
      * [ImageComposeScene].
-     *
-     * This is backed by snapshot state, so reading this property in a restartable function (e.g., a
-     * composable function) will cause the function to restart when set of semantics owners changes.
      */
     @ExperimentalComposeUiApi
     val semanticsOwners: Collection<SemanticsOwner>