Switch remote deploy to vendored source builds

Move remote deployment to a vendored source bundle built on the target host via Docker so redeploys no longer require local cross-compilation or host Go installation.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

vendor/github.com/wailsapp/wails/v2/pkg/menu/tray.go

@@ -0,0 +1,42 @@
+package menu
+
+// TrayMenu are the options
+type TrayMenu struct {
+	// Label is the text we wish to display in the tray
+	Label string
+
+	// Image is the name of the tray icon we wish to display.
+	// These are read up during build from <projectdir>/trayicons and
+	// the filenames are used as IDs, minus the extension
+	// EG: <projectdir>/trayicons/main.png can be referenced here with "main"
+	// If the image is not a filename, it will be treated as base64 image data
+	Image string
+
+	// MacTemplateImage indicates that on a Mac, this image is a template image
+	MacTemplateImage bool
+
+	// Text Colour
+	RGBA string
+
+	// Font
+	FontSize int
+	FontName string
+
+	// Tooltip
+	Tooltip string
+
+	// Callback function when menu clicked
+	// Click Callback `json:"-"`
+
+	// Disabled makes the item unselectable
+	Disabled bool
+
+	// Menu is the initial menu we wish to use for the tray
+	Menu *Menu
+
+	// OnOpen is called when the Menu is opened
+	OnOpen func()
+
+	// OnClose is called when the Menu is closed
+	OnClose func()
+}