Add excessive logging for "deinit" method for Msys plugin

Summary: Debugging T141716711

Reviewed By: antonk52

Differential Revision: D44295078

fbshipit-source-id: 5269c7308e71d8b2ba7881747fcd5cbe37d81729

desktop/flipper-frontend-core/src/AbstractClient.tsx

@@ -228,6 +228,9 @@ export default abstract class AbstractClient extends EventEmitter {
     // diff the background plugin list, disconnect old, connect new ones
     oldBackgroundPlugins.forEach((plugin) => {
       if (!this.backgroundPlugins.has(plugin)) {
+        if (plugin === 'Msys') {
+          console.log('AbstyractClient.refreshPlugins -> deinit Msys');
+        }
         this.deinitPlugin(plugin);
       }
     });

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