fix: file tree does not refresh automatically

Co-authored-by: Andrew Young <andrewyo@umich.edu>
Co-authored-by: Faizan Bhagat <faizanb@umich.edu>

Author: 2 people

src/brackets.js

@@ -447,6 +447,9 @@ define(function (require, exports, module) {
             // This call to syncOpenDocuments() *should* be a no-op now that we have
             // file watchers, but is still here as a safety net.
             FileSyncManager.syncOpenDocuments();
+            // This call to refreshFileTree() refreshes the project tree when the window comes back into focus
+            // If any changes are made outside of Phoenix Code, they will be updated when the user returns
+            ProjectManager.refreshFileTree();
         });
 
         // Prevent unhandled middle button clicks from triggering native behavior