ios test changes (#35510)

* Fix over-byte

* Update ios tests to call `provider`

To continue to support testing `connection: local`

* Fix command dict handling in ios_user

* Clean up unit tests, too

test/integration/targets/ios_user/tests/cli/auth.yaml

@@ -6,7 +6,7 @@
       privilege: 15
       role: network-operator
       state: present
-      authorize: yes
+      provider: "{{ cli }}"
       configured_password: pass123
 
   - name: test login
@@ -33,7 +33,7 @@
     ios_user:
       name: auth_user
       state: absent
-      authorize: yes
+      provider: "{{ cli }}"
     register: result
 
   - name: reset connection