fix python init code for trigger (#3087)

frontend/src/lib/init_scripts/python_init_code_trigger.ts

@@ -4,9 +4,9 @@ export default `import wmill
 def main():
     # A common trigger script would follow this pattern:
     # 1. Get the last saved state
-    # const state = wnmill.get_state()
+    # state = wmill.get_state()
     # 2. Get the actual state from the external service
-    # const newState = ...
+    # newState = ...
     # 3. Compare the two states and update the internal state
     # wmill.setState(newState)
     # 4. Return the new rows