Fix crash when TextField with focus is scaled to 0

app/src/main/kotlin/com/hippo/ehviewer/ui/scene/GalleryListFragment.kt

@@ -78,6 +78,7 @@ import androidx.compose.ui.input.nestedscroll.NestedScrollSource
 import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.platform.LocalFocusManager
 import androidx.compose.ui.platform.LocalLayoutDirection
 import androidx.compose.ui.platform.LocalView
 import androidx.compose.ui.res.dimensionResource
@@ -222,6 +223,13 @@ fun GalleryListScreen(lub: ListUrlBuilder, navigator: DestinationsNavigator) {
         }
     }
 
+    val focusManager = LocalFocusManager.current
+    LaunchedEffect(showSearchLayout) {
+        if (!showSearchLayout) {
+            focusManager.clearFocus()
+        }
+    }
+
     val animatedSearchLayout by animateFloatMergePredictiveBackAsState(
         enable = showSearchLayout,
         animationSpec = tween(FAB_ANIMATE_TIME * 2),