added constraint for space in composer command

packaging/language/composer.py

@@ -170,6 +170,9 @@ def main():
 
     # Get composer command with fallback to default
     command = module.params['command']
+    if re.search(r"\s", command):
+        module.fail_json(msg="Use the 'arguments' param for passing arguments with the 'command'")
+    
     arguments = module.params['arguments']
     available_options = get_available_options(module=module, command=command)