fix(ui/setup): thread exception

Method setCurrentState must be called on the main thread

app/src/main/kotlin/me/rhunk/snapenhance/ui/setup/screens/impl/MappingsScreen.kt

@@ -10,6 +10,7 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.Dialog
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import me.rhunk.snapenhance.ui.setup.screens.SetupScreen
 import me.rhunk.snapenhance.ui.util.AlertDialogs
 
@@ -51,7 +52,9 @@ class MappingsScreen : SetupScreen() {
                         return@launch
                     }
 
-                    goNext()
+                    withContext(Dispatchers.Main) {
+                        goNext()
+                    }
                 }.onFailure {
                     isGenerating = false
                     infoText = context.translation["setup.mappings.generate_failure"] + "\n\n" + it.message