IBM_Storage: fixed a bug - Unwanted arguments cause failure (#56357)

* IBM_Storage: fixed a bug which caused several of our modules to pass unwanted arguments and fail

* IBM_Storage: Added a changelog for 56357 bug

changelogs/fragments/56357-ibm-storage-unwanted-args-cause-failure.yml

@@ -0,0 +1,2 @@
+bugfixes:
+- ibm_storage - Added a check for null fields in ibm_storage utils module.

lib/ansible/module_utils/ibm_sa_utils.py

@@ -81,6 +81,8 @@ def build_pyxcli_command(fields):
     """ Builds the args for pyxcli using the exact args from ansible"""
     pyxcli_args = {}
     for field in fields:
+        if not fields[field]:
+            continue
         if field in AVAILABLE_PYXCLI_FIELDS and fields[field] != '':
             pyxcli_args[field] = fields[field]
     return pyxcli_args