Fix whitespace issue in filter (backport 2.8)

This fixes reported issue #60276

changelogs/fragments/aci-42-filter-whitespace.yaml

@@ -0,0 +1,2 @@
+bugfixes:
+- "ACI modules - Fix a whitespace issue in filters for ACI 4.2 strict validation"

lib/ansible/module_utils/network/aci/aci.py

@@ -425,9 +425,9 @@ class ACIModule(object):
         ''' Build an APIC filter based on obj_class and key-value pairs '''
         accepted_params = dict((k, v) for (k, v) in params.items() if v is not None)
         if len(accepted_params) == 1:
-            return ','.join('eq({0}.{1}, "{2}")'.format(obj_class, k, v) for (k, v) in accepted_params.items())
+            return ','.join('eq({0}.{1},"{2}")'.format(obj_class, k, v) for (k, v) in accepted_params.items())
         elif len(accepted_params) > 1:
-            return 'and(' + ','.join(['eq({0}.{1}, "{2}")'.format(obj_class, k, v) for (k, v) in accepted_params.items()]) + ')'
+            return 'and(' + ','.join(['eq({0}.{1},"{2}")'.format(obj_class, k, v) for (k, v) in accepted_params.items()]) + ')'
 
     def construct_url(self, root_class, subclass_1=None, subclass_2=None, subclass_3=None, child_classes=None):
         """