Make directory path in the header editable (#8018)

This change will allow users to navigate to their desired locations,
including buckets and directories that haven't been "created" yet

Fixes #7883

Add tests

Change tooltip wording

Migrate to Font Awesome 5 to use path icon

Fix sidebar not closing on mobile

browser/app/js/browser/MainActions.js

@@ -48,7 +48,7 @@ export const MainActions = ({
       <Dropdown dropup className="feb-actions" id="fe-action-toggle">
         <Dropdown.Toggle noCaret className="feba-toggle">
           <span>
-            <i className="fa fa-plus" />
+            <i className="fas fa-plus" />
           </span>
         </Dropdown.Toggle>
         <Dropdown.Menu>
@@ -63,7 +63,7 @@ export const MainActions = ({
               />
               <label htmlFor="file-input">
                 {" "}
-                <i className="fa fa-cloud-upload" />{" "}
+                <i className="fas fa-cloud-upload-alt" />{" "}
               </label>
             </a>
           </OverlayTrigger>
@@ -78,7 +78,7 @@ export const MainActions = ({
                   showMakeBucketModal()
                 }}
               >
-                <i className="fa fa-hdd-o" />
+                <i className="far fa-hdd" />
               </a>
             </OverlayTrigger>
           )}