Merge pull request DIRACGrid#8062 from DIRACGridBot/cherry-pick-2-b1a91d5ec-integration

[sweep:integration] dirac-apptainer-exec: use sys.argv for quoted parameters

Author: fstagni

src/DIRAC/Core/scripts/dirac_apptainer_exec.py

@@ -27,8 +27,7 @@
 
 @Script()
 def main():
-    Script.registerArgument(" command: Command to execute inside the container")
-    command = Script.getPositionalArgs(group=True)
+    command = sys.argv[1]
 
     user_image = None
     Script.registerSwitch("i:", "image=", "   apptainer image to use")