fix: remove focus if clicked outside thumbnail

platform/ui/src/utils/blurHandlerListener.js

@@ -0,0 +1,10 @@
+export default element => {
+  const handleClickOutside = event => {
+    if (element.current && !element.current.contains(event.target)) {
+      element.current.blur();
+      document.removeEventListener('mousedown', handleClickOutside);
+    }
+  };
+
+  document.addEventListener('mousedown', handleClickOutside);
+};