add TTNumber to state for lan switch trmination wfs

gso/workflows/lan_switch_interconnect/terminate_lan_switch_interconnect.py

@@ -29,8 +29,9 @@ def _input_form_generator(subscription_id: UUIDstr) -> FormGenerator:
 
         tt_number: TTNumber
 
-    yield TerminateForm
-    return {"subscription": lan_switch_interconnect}
+    user_input = yield TerminateForm
+
+    return {"subscription": lan_switch_interconnect} | user_input.model_dump()
 
 
 @step("Release IPAM resources")