Remote sketchbook tooltips (#1088)

* rename Cloud Sketchbook in Remote Sketchbook

* add tooltips for Sync and Account buttons

arduino-ide-extension/src/browser/widgets/cloud-sketchbook/cloud-sketchbook-composite-widget.tsx

@@ -31,8 +31,8 @@ export class CloudSketchbookCompositeWidget extends BaseWidget {
     this.compositeNode.appendChild(this.cloudUserStatusNode);
     this.node.appendChild(this.compositeNode);
     this.title.caption = nls.localize(
-      'arduino/cloud/cloudSketchbook',
-      'Cloud Sketchbook'
+      'arduino/cloud/remoteSketchbook',
+      'Remote Sketchbook'
     );
     this.title.iconClass = 'cloud-sketchbook-tree-icon';
     this.title.closable = false;

arduino-ide-extension/src/browser/widgets/cloud-sketchbook/cloud-user-status.tsx

@@ -65,6 +65,7 @@ export class UserStatus extends React.Component<
         </div>
         <div className="actions item flex-line">
           <div
+            title={nls.localize('arduino/cloud/sync', 'Sync')}
             className={`fa fa-reload ${
               (this.state.refreshing && 'rotating') || ''
             }`}
@@ -74,6 +75,7 @@ export class UserStatus extends React.Component<
         </div>
         <div className="account item flex-line">
           <div
+            title={nls.localize('arduino/cloud/account', 'Account')}
             className="account-icon"
             style={{ cursor: 'pointer' }}
             onClick={(event) => {