disable Fyne thread checks, fix async for connect to server workflow

Makefile

@@ -5,7 +5,7 @@ build:
 # so the last 3 cmds move it over manually. This is a bit fragile though
 # since it assumes a specific location and version of the dependency
 package_macos:
-	CGO_CFLAGS="-I/usr/local/include -I/opt/homebrew/include" CGO_LDFLAGS="-L/usr/local/lib -L/opt/homebrew/lib" fyne package -os darwin
+	CGO_CFLAGS="-I/usr/local/include -I/opt/homebrew/include" CGO_LDFLAGS="-L/usr/local/lib -L/opt/homebrew/lib" fyne package -os darwin -tags migrated_fynedo
 
 bundledeps_macos_homebrew:
 	dylibbundler -od -b -x ./Supersonic.app/Contents/MacOS/supersonic -d ./Supersonic.app/Contents/Frameworks/ -p @executable_path/../Frameworks/

ui/controller/controller.go

@@ -438,7 +438,6 @@ func (c *Controller) DoConnectToServerWorkflow(server *backend.ServerConfig) {
 	// try connecting to last used server - set up cancelable modal dialog
 	canceled := false
 	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
 	dlg := dialog.NewCustom(lang.L("Connecting"), lang.L("Cancel"),
 		widget.NewLabel(fmt.Sprintf(lang.L("Connecting to")+" %s", server.Nickname)), c.MainWindow)
 	dlg.SetOnClosed(func() {
@@ -447,25 +446,34 @@ func (c *Controller) DoConnectToServerWorkflow(server *backend.ServerConfig) {
 	})
 	c.haveModal = true
 	dlg.Show()
+
 	// try to connect
-	if err := c.tryConnectToServer(ctx, server, pass); err != nil {
+	go func() {
-		dlg.Hide()
+		defer cancel() // make sure to free up ctx resources if user does not cancel
-		c.haveModal = false
+
-		if canceled {
+		if err := c.tryConnectToServer(ctx, server, pass); err != nil {
-			c.PromptForLoginAndConnect()
+			fyne.Do(func() {
-		} else {
+				dlg.Hide()
-			// connection failure
+				c.haveModal = false
-			dlg := dialog.NewError(err, c.MainWindow)
+				if canceled {
-			dlg.SetOnClosed(func() {
+					c.PromptForLoginAndConnect()
-				c.PromptForLoginAndConnect()
+				} else {
+					// connection failure
+					dlg := dialog.NewError(err, c.MainWindow)
+					dlg.SetOnClosed(func() {
+						c.PromptForLoginAndConnect()
+					})
+					c.haveModal = true
+					dlg.Show()
+				}
+			})
+		} else {
+			fyne.Do(func() {
+				dlg.Hide()
+				c.haveModal = false
 			})
-			c.haveModal = true
-			dlg.Show()
 		}
-	} else {
+	}()
-		dlg.Hide()
-		c.haveModal = false
-	}
 }
 
 func (m *Controller) PromptForLoginAndConnect() {