Reduce memory footprint of Hilt (#159)

* Remove @Singleton where it is not needed

* Use @AssistedFactory where possible

ui/src/main/kotlin/gq/kirmanak/mealient/ui/UiModule.kt

@@ -4,13 +4,11 @@ import dagger.Binds
 import dagger.Module
 import dagger.hilt.InstallIn
 import dagger.hilt.components.SingletonComponent
-import javax.inject.Singleton
 
 @Module
 @InstallIn(SingletonComponent::class)
 interface UiModule {
 
     @Binds
-    @Singleton
     fun bindActivityUiStateController(impl: ActivityUiStateControllerImpl): ActivityUiStateController
 }