Using the user fullname when rendering a sketch.

Also refactored the portal page for sketches and moved the common code
to the lms_sketch doctype module.

community/www/sketches/index.html

@@ -20,7 +20,7 @@
       <div class="sketch-preview mb-5">
         <span class="sketch-ts">{{ sketch.modified }}</span>
         <a href="/sketches/sketch?sketch={{sketch.name}}">{{sketch.title}}</a>
-        By {{sketch.owner}}
+        By {{sketch.owner_name}}
       </div>
     {% endfor %}
 	</div>

community/www/sketches/index.py

@@ -1,16 +1,7 @@
 import frappe
+from ...lms.doctype.lms_sketch.lms_sketch import get_recent_sketches
 
 def get_context(context):
     context.no_cache = 1
-    context.sketches = get_sketches()
+    context.sketches = get_recent_sketches()
 
-def get_sketches():
-    sketches = frappe.get_all(
-        "LMS Sketch",
-        fields=['name', 'title', 'owner', 'modified'],
-        order_by='modified desc',
-        page_length=100
-    )
-    for s in sketches:
-        s['owner'] = s['owner'].split("@")[0]
-    return sketches