Use MatrixRoom.isEncrypted value to enable encryption in room calls

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/widget/CallWidgetSettingsProvider.kt

@@ -21,6 +21,7 @@ import java.util.UUID
 interface CallWidgetSettingsProvider {
     fun provide(
         baseUrl: String,
-        widgetId: String = UUID.randomUUID().toString()
+        widgetId: String = UUID.randomUUID().toString(),
+        encrypted: Boolean,
     ): MatrixWidgetSettings
 }