IOS-XR NetConf and Cliconf plugin work (#33332)

*  - Netconf plugin addition for iosxr
 - Utilities refactoring to support netconf and cliconf
 - iosx_banner refactoring for netconf and cliconf
 - Integration testcases changes to accomodate above changes

* Fix sanity failures, shippable errors and review comments

* fix pep8 issue

* changes run_command method to send specific command args

* - Review comment fixes
- iosxr_command changes to remove ComplexDict based command_spec

* - Move namespaces removal method from utils to netconf plugin

* Minor refactoring in utils and change in deprecation message

* rewrite build_xml logic and import changes for new utils dir structure

* - Review comment changes and minor changes to documentation

* * refactor common code and docs updates

test/integration/targets/iosxr_banner/tests/cli/basic-login.yaml

@@ -2,6 +2,7 @@
 - name: setup - remove login
   iosxr_banner:
     banner: login
+    provider: "{{ cli }}"
     state: absent
 
 - name: Set login
@@ -11,6 +12,7 @@
       this is my login banner
       that has a multiline
       string
+    provider: "{{ cli }}"
     state: present
   register: result
 
@@ -30,6 +32,7 @@
       this is my login banner
       that has a multiline
       string
+    provider: "{{ cli }}"
     state: present
   register: result
 

test/integration/targets/iosxr_banner/tests/cli/basic-motd.yaml

@@ -3,6 +3,7 @@
   iosxr_banner:
     banner: motd
     state: absent
+    provider: "{{ cli }}"
 
 - name: Set motd
   iosxr_banner:
@@ -11,6 +12,7 @@
       this is my motd banner
       that has a multiline
       string
+    provider: "{{ cli }}"
     state: present
   register: result
 
@@ -30,6 +32,7 @@
       this is my motd banner
       that has a multiline
       string
+    provider: "{{ cli }}"
     state: present
   register: result
 

test/integration/targets/iosxr_banner/tests/cli/basic-no-login.yaml

@@ -5,12 +5,14 @@
     text: |
       Junk login banner
       over multiple lines
+    provider: "{{ cli }}"
     state: present
 
 - name: remove login
   iosxr_banner:
     banner: login
     state: absent
+    provider: "{{ cli }}"
   register: result
 
 - debug:
@@ -25,6 +27,7 @@
   iosxr_banner:
     banner: login
     state: absent
+    provider: "{{ cli }}"
   register: result
 
 - assert: