android: profiles - swipe to delete with undo, search only for long lists

src/frontends/android/app/src/main/java/org/strongswan/android/ui/compose/ProfilesScreen.kt

@@ -39,6 +39,11 @@ import androidx.compose.material3.Scaffold
 import androidx.compose.material3.SearchBar
 import androidx.compose.material3.SearchBarDefaults
 import androidx.compose.material3.SnackbarDuration
+import androidx.compose.material3.SwipeToDismissBox
+import androidx.compose.material3.SwipeToDismissBoxValue
+import androidx.compose.material3.rememberSwipeToDismissBoxState
+import androidx.compose.foundation.background
+import org.strongswan.android.ui.compose.theme.ShxSpacing
 import androidx.compose.material3.SnackbarHost
 import androidx.compose.material3.SnackbarHostState
 import androidx.compose.material3.SnackbarResult
@@ -262,6 +267,8 @@ fun ProfilesScreen(
 	}
 }
 
+private const val SEARCH_THRESHOLD = 5
+
 @Composable
 private fun EmptyProfilesState(query: String, onAdd: () -> Unit)
 {