Migrate Collapse/Open Resource Tree to React (#733)

Co-authored-by: Steve Faulkner <southpolesteve@gmail.com>

src/Common/CollapsedResourceTree.tsx

@@ -0,0 +1,35 @@
+import React, { FunctionComponent } from "react";
+import arrowLeftImg from "../../images/imgarrowlefticon.svg";
+
+export interface CollapsedResourceTreeProps {
+  toggleLeftPaneExpanded: () => void;
+  isLeftPaneExpanded: boolean;
+}
+
+export const CollapsedResourceTree: FunctionComponent<CollapsedResourceTreeProps> = ({
+  toggleLeftPaneExpanded,
+  isLeftPaneExpanded,
+}: CollapsedResourceTreeProps): JSX.Element => {
+  return (
+    <div id="mini" className={!isLeftPaneExpanded ? "mini toggle-mini" : "hiddenMain"}>
+      <div className="main-nav nav">
+        <ul className="nav">
+          <li
+            className="resourceTreeCollapse"
+            id="collapseToggleLeftPaneButton"
+            role="button"
+            tabIndex={0}
+            aria-label="Expand Tree"
+          >
+            <span className="leftarrowCollapsed" onClick={toggleLeftPaneExpanded}>
+              <img className="arrowCollapsed" src={arrowLeftImg} alt="Expand" />
+            </span>
+            <span className="collectionCollapsed" onClick={toggleLeftPaneExpanded}>
+              <span data-bind="text: collectionTitle" />
+            </span>
+          </li>
+        </ul>
+      </div>
+    </div>
+  );
+};