Navigation: remove extra 's' for assets project

Such a lame solution. We need better categories.

src/templates/nodes/edit_embed.pug

@@ -168,7 +168,7 @@ script(type="text/javascript").
 
 		/* Let us know started saving */
 		$("li.button-save").addClass('saving');
-		$("li.button-save a#item_save").html('<i class="pi-spin spin"></i> Saving...');
+		$("li.button-save a#item_save").html('<i class="pi-spin pr-2 spin"></i> Saving...');
 
 		$.ajax({
 			url: "{{url_for('nodes.edit', node_id=node._id)}}",

src/templates/projects/_macros.pug

@@ -17,7 +17,7 @@ include ../mixins/components
 	| {% if not project.is_private %}
 	li.text-capitalize
 		a.nav-link.text-muted.px-0(href="{{ category_url }}")
-			span {{ project.category }}s
+			span {{ project.category }}{% if project.category != 'assets' %}s{% endif %}
 	li.px-1
 		i.pi-angle-right
 	| {% endif %}