Object searching method should not traceback for non-existant keys (#65553)

Signed-off-by: NilashishC <nilashishchakraborty8@gmail.com>

lib/ansible/module_utils/network/common/utils.py

@@ -597,7 +597,7 @@ def validate_config(spec, data):
 
 def search_obj_in_list(name, lst, key='name'):
     for item in lst:
-        if item[key] == name:
+        if item.get(key) == name:
             return item
     return None