clean orphan share/upload links (#5383)

* clean orphan share/upload links

* update style

* [share admin - links] fixup & improvements for 'deleted' tip & 'clean orphan links'

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Co-authored-by: llj <lingjun.li1@gmail.com>

frontend/src/components/toolbar/top-toolbar.js

@@ -0,0 +1,31 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import CommonToolbar from './common-toolbar';
+
+const propTypes = {
+  onShowSidePanel: PropTypes.func.isRequired,
+  onSearchedClick: PropTypes.func.isRequired,
+  searchPlaceholder: PropTypes.string,
+  children: PropTypes.object
+};
+
+class TopToolbar extends React.Component {
+
+  render() {
+    const { onShowSidePanel, onSearchedClick } = this.props;
+    return (
+      <div className="main-panel-north border-left-show">
+        <div className="cur-view-toolbar">
+          <span title="Side Nav Menu" onClick={onShowSidePanel} className="sf2-icon-menu side-nav-toggle hidden-md-up d-md-none">
+          </span>
+          {this.props.children}
+        </div>
+        <CommonToolbar searchPlaceholder={this.props.searchPlaceholder} onSearchedClick={onSearchedClick} />
+      </div>
+    );
+  }
+}
+
+TopToolbar.propTypes = propTypes;
+
+export default TopToolbar;