Launch KM Editor without running Engine [Tips]

Launching the KM editor will always launch the KM engine. Sometimes, it is very useful to launch just the KM Editor to fix macro issues when certain problematic macros (eg Intrusive actions from Engine launch trigger or periodic trigger) prevent users from using the editor.

KM has already built-in this convenient feature.
[[Troubleshooting [Keyboard Maestro Wiki]]] (*KM has a lot of gems that can be uncovered from the wiki, and this is one of those that we think we may not need until one day Murphy strike)