Add excessive logging for "deinit" method for Msys plugin

Summary: Debugging T141716711

Reviewed By: antonk52

Differential Revision: D44295078

fbshipit-source-id: 5269c7308e71d8b2ba7881747fcd5cbe37d81729

desktop/flipper-ui-core/src/dispatcher/pluginManager.tsx

@@ -371,6 +371,10 @@ function stopPlugin(
       !defaultEnabledBackgroundPlugins.includes(pluginId)) &&
     client?.isBackgroundPlugin(pluginId)
   ) {
+    // Debugging T141716711
+    if (pluginId === 'Msys') {
+      console.log('pluginManager.stopPlugin -> deinit Msys');
+    }
     client.deinitPlugin(pluginId);
   }
   // stop sandy plugins