feat: Make main dispatcher immediate for better UI performance

Author: Abdulsalam-j

mvvm-internal/src/commonMain/kotlin/dev/icerock/moko/mvvm/internal/createUIDispatcher.kt

@@ -10,4 +10,4 @@ import kotlinx.coroutines.Dispatchers
 /**
  * We use coroutines native-mt version, so we can use Main dispatcher on both platforms
  */
-fun createUIDispatcher(): CoroutineDispatcher = Dispatchers.Main
+fun createUIDispatcher(): CoroutineDispatcher = Dispatchers.Main.immediate