Public gallery improvements (#409)

- [x] Don't show extension in name field for publish
- [x] Open "Your published work" tab after publishing
- [x] Continue showing dialog for Report Abuse status
- [x] For showing COC in Public Gallery tab show backdrop of thumbnails
- [x] Liked -> My Favorites & Your published work -> My published work

src/Explorer/Controls/NotebookGallery/Cards/GalleryCardComponent.tsx

@@ -127,7 +127,7 @@ export class GalleryCardComponent extends React.Component<GalleryCardComponentPr
               {this.props.isFavorite !== undefined &&
                 this.generateIconButtonWithTooltip(
                   this.props.isFavorite ? "HeartFill" : "Heart",
-                  this.props.isFavorite ? "Unlike" : "Like",
+                  this.props.isFavorite ? "Unfavorite" : "Favorite",
                   "left",
                   this.props.isFavorite ? this.props.onUnfavoriteClick : this.props.onFavoriteClick
                 )}