Update empty extra_vars and PE router list in ibgp mesh update

gso/workflows/router/update_ibgp_mesh.py

@@ -125,7 +125,7 @@ def add_all_pe_to_p_dry(subscription: dict[str, Any]) -> LSOState:
     extra_vars = {
         "dry_run": True,
         "subscription": subscription,
-        "pe_router_list": generate_inventory_for_routers(RouterRole.PE),
+        "pe_router_list": generate_inventory_for_routers(RouterRole.PE)["all"]["hosts"],
         "verb": "add_pe_to_p",
     }
 
@@ -142,7 +142,7 @@ def add_all_pe_to_p_real(subscription: dict[str, Any], tt_number: str, process_i
     extra_vars = {
         "dry_run": False,
         "subscription": subscription,
-        "pe_router_list": generate_inventory_for_routers(RouterRole.PE),
+        "pe_router_list": generate_inventory_for_routers(RouterRole.PE)["all"]["hosts"],
         "commit_comment": f"GSO_PROCESS_ID: {process_id} - TT_NUMBER: {tt_number} - Update iBGP mesh",
         "verb": "add_pe_to_p",
     }