add file explorers icon to fileManager - so it will appear in the permissions modal for plugins that want to write to the fileManager

src/app/files/fileManager.js

@@ -16,6 +16,7 @@ const profile = {
   name: 'fileManager',
   displayName: 'File manager',
   description: 'Service - read/write to any files or folders, require giving permissions',
+  icon: 'data:image/svg+xml;base64,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',
   permission: true
 }