[visual-studio-code-bin] Fix newline handling in code-flags.conf, sync

.desktop files with upstream

visual-studio-code-url-handler.desktop

@@ -2,11 +2,11 @@
 Name=Visual Studio Code - URL Handler
 Comment=Code Editing. Redefined.
 GenericName=Text Editor
-Exec=/usr/bin/code --no-sandbox --open-url %U
+Exec=/usr/bin/code --open-url %U
 Icon=visual-studio-code
 Type=Application
 NoDisplay=true
 StartupNotify=true
-Categories=Utility;TextEditor;Development;IDE;
+Categories=TextEditor;Development;IDE;
 MimeType=x-scheme-handler/vscode;
 Keywords=vscode;