i18n: add arabic translation .desktop (#2520)

src/stable/resources/linux/code.desktop

@@ -2,6 +2,7 @@
 Name=@@NAME_LONG@@
 Comment=Code Editing. Redefined.
 GenericName=Text Editor
+GenericName[ar]=محرر نصوص
 Exec=@@EXEC@@ %F
 Icon=@@ICON@@
 Type=Application
@@ -14,6 +15,7 @@ Keywords=vscodium;codium;vscode;
 
 [Desktop Action new-empty-window]
 Name=New Empty Window
+Name[ar]=نافذة فارغة جديدة
 Name[de]=Neues leeres Fenster
 Name[es]=Nueva ventana vacía
 Name[fr]=Nouvelle fenêtre vide