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_command/tests/cli/output.yaml

@@ -5,7 +5,7 @@
   ios_command:
     commands:
       - show version
-    authorize: yes
+    provider: "{{ cli }}"
   register: result
 
 - assert:
@@ -18,7 +18,7 @@
     commands:
       - show version
       - show interfaces
-    authorize: yes
+    provider: "{{ cli }}"
   register: result
 
 - assert: