Fix #132: provide standard sized icons

ui/dialogs/aboutdialog.go

@@ -52,7 +52,7 @@ func (a *AboutDialog) MinSize() fyne.Size {
 }
 
 func (a *AboutDialog) buildMainTabContainer(version string) *fyne.Container {
-	iconImage := canvas.NewImageFromResource(res.ResAppicon250Png)
+	iconImage := canvas.NewImageFromResource(res.ResAppicon256Png)
 	iconImage.FillMode = canvas.ImageFillContain
 	iconImage.SetMinSize(fyne.NewSize(64, 64))
 	title := widget.NewRichTextWithText("Supersonic")

ui/mainwindow.go

@@ -144,7 +144,7 @@ func (m *MainWindow) SetupSystemTrayMenu(appName string, fyneApp fyne.App) {
 			fyne.NewMenuItem("Hide", m.Window.Hide),
 		)
 		desk.SetSystemTrayMenu(menu)
-		desk.SetSystemTrayIcon(res.ResAppicon250Png)
+		desk.SetSystemTrayIcon(res.ResAppicon256Png)
 		m.haveSystemTray = true
 	}
 }