Remove --no-sandbox (#122909)

* linux - remove `--no-sandbox` flag

We should not disable sandbox on Linux.
We only added this to support running on Kernel <= 3.8 where setuid sandbox is used.

* fix ci

* add some docs

resources/linux/code-url-handler.desktop

@@ -2,7 +2,7 @@
 Name=@@NAME_LONG@@ - URL Handler
 Comment=Code Editing. Redefined.
 GenericName=Text Editor
-Exec=@@EXEC@@ --no-sandbox --open-url %U
+Exec=@@EXEC@@ --open-url %U
 Icon=@@ICON@@
 Type=Application
 NoDisplay=true