less verbose Nokia output

Nokia router provisioning is much less verbose, and the diff is an actual diff (no more before and after).

Example here: http://192.168.200.24:3000/processes/580938e5-4095-4dd8-8567-69c38cc7d721

lso/playbook.py

@@ -7,6 +7,7 @@ import uuid
 
 import ansible_runner
 import requests
+import xmltodict
 from pydantic import BaseModel, HttpUrl
 
 logger = logging.getLogger(__name__)
@@ -89,6 +90,7 @@ def _run_playbook_proc(job_id: str, playbook_path: str, extra_vars: dict, invent
         "invocation",
         "include",
         "include_args",
+        "server_capabilities",
     ]
     for line in json_content.strip().splitlines():
         try:
@@ -110,8 +112,18 @@ def _run_playbook_proc(job_id: str, playbook_path: str, extra_vars: dict, invent
                         continue
 
                 if "diff_lines" in task_result:
+                    #  Juniper-specific
                     #  Prevent the diff from being displayed twice, and only keep the formatted version.
                     task_result.pop("diff", None)
+                elif "before" in task_result["diff"] and "after" in task_result["diff"]:
+                    #  Nokia-specific
+                    #  We have a chunk of Nokia config, and we would like to show the actual diff, not a full before and
+                    #  after. This will take some extra steps.
+                    before_parsed = xmltodict.parse(task_result["diff"]["before"])
+                    after_parsed = xmltodict.parse(task_result["diff"]["after"])
+                    #  Only leave the diff in the resulting output
+                    task_result["diff"] = {k: v for k, v in after_parsed.items() if
+                                           k not in before_parsed or v != before_parsed[k]}
 
                 if bool(task_result):
                     #  Only add the event if there are any relevant keys left.