Include GSO process ID in every LSO call

Closes NAT-1157

Also added a fixture that auto-applies to all LSO interactions in unit tests, patching every unit test separately is no longer needed

gso/services/lso_client.py

@@ -14,7 +14,7 @@ from orchestrator.forms import SubmitFormPage
 from orchestrator.utils.errors import ProcessFailureError
 from orchestrator.workflow import Step, StepList, begin, callback_step, conditional, inputstep
 from pydantic import ConfigDict
-from pydantic_forms.types import FormGenerator, State
+from pydantic_forms.types import FormGenerator, State, UUIDstr
 from pydantic_forms.validators import Label, LongText, ReadOnlyField
 from unidecode import unidecode
 
@@ -64,7 +64,7 @@ def _send_request(parameters: dict, callback_route: str) -> None:
 
 @step("Execute Ansible playbook")
 def _execute_playbook(
-    playbook_name: str, callback_route: str, inventory: dict[str, Any], extra_vars: dict[str, Any]
+    playbook_name: str, callback_route: str, inventory: dict[str, Any], extra_vars: dict[str, Any], process_id: UUIDstr
 ) -> None:
     """Execute a playbook remotely through the provisioning proxy.
 
@@ -112,7 +112,10 @@ def _execute_playbook(
         extra_vars: Any extra variables that the playbook relies on. This can include a subscription object, a boolean
             value indicating a dry run, a commit comment, etc. All unicode character values are decoded to prevent
             sending special characters to remote machines that don't support this.
+        process_id: The process ID of the workflow that is running the playbook. This is used in Ansible playbooks to
+            fetch custom configuration.
     """
+    extra_vars["gso_process_id"] = process_id
     parameters = {
         "playbook_name": playbook_name,
         "inventory": inventory,