fix: rename data-element_id to element_id

Author: frankpagan

src/dashboard.html

@@ -85,7 +85,7 @@
             resize-edges="0 1 1 0">
 
           <!--<div class="display:flex">-->
-            <div class="card display:inline-flex padding:20px align-items:center margin:1% grid-item width:23% width:47%@xs width:47%@sm width:23%@md" draggable="true" data-element_id="id1">
+            <div class="card display:inline-flex padding:20px align-items:center margin:1% grid-item width:23% width:47%@xs width:47%@sm width:23%@md" draggable="true" element_id="id1">
               <div class="padding-right:20px">
                 <h2>Visits</h2>
                 <p>Total visits today</p>
@@ -101,7 +101,7 @@ <h2>$4000</h2>
               </div>
             </div>
 
-            <div class="card display:inline-flex padding:20px align-items:center margin:1% grid-item width:23%  width:47%@xs width:47%@sm width:23%@md" draggable="true" data-element_id="id2">
+            <div class="card display:inline-flex padding:20px align-items:center margin:1% grid-item width:23%  width:47%@xs width:47%@sm width:23%@md" draggable="true" element_id="id2">
               <div class="padding-right:20px">
                 <h2>Orders</h2>
                 <p>Total visits today</p>
@@ -117,7 +117,7 @@ <h2>$1000</h2>
               </div>
             </div>
 
-            <div class="card display:inline-flex padding:20px align-items:center margin:1% grid-item width:23%  width:47%@xs width:47%@sm width:23%@md" draggable="true" data-element_id="id3">
+            <div class="card display:inline-flex padding:20px align-items:center margin:1% grid-item width:23%  width:47%@xs width:47%@sm width:23%@md" draggable="true" element_id="id3">
               <div class="padding-right:20px">
                 <h2>Sales</h2>
                 <p>Total visits today</p>