PHP: Select the open editor in the tree view after 'Sync' with the file system is completed
File Explorer: Added icon to the 'Search' menu item entry
File Explorer: Allow search on multiple directories by selecting them and clicking 'Search'
PHP: Added 'Find in Files' menu entry to all workspace nodes (workspace, project and folder)
PHP: Allow selecting multiple items in the project view and performing a 'find in files' in all of them
PHP: added 'Open with Default Application' menu entry to 'File' items in the workspace view