add new programName option to linux options (#2817)

* add new programName option to linux options

* modify changelog

* free program name string

v2/pkg/options/linux/linux.go

@@ -29,6 +29,15 @@ type Options struct {
 	//   - WebviewGpuPolicyOnDemand
 	//   - WebviewGpuPolicyNever
 	WebviewGpuPolicy WebviewGpuPolicy
+
+	// ProgramName is used to set the program's name for the window manager via GTK's g_set_prgname().
+	//This name should not be localized. [see the docs]
+	//
+	//When a .desktop file is created this value helps with window grouping and desktop icons when the .desktop file's Name
+	//property differs form the executable's filename.
+	//
+	//[see the docs]: https://docs.gtk.org/glib/func.set_prgname.html
+	ProgramName string
 }
 
 type Messages struct {