fix(icons): update icon usage across components

- Replace .iconName property with .icon for dees-icon component
- Fix incorrect lucide icon names to use proper prefix and kebab-case
- Replace deprecated .iconFA property with .icon
- Add loading animation to dees-input-fileupload button
- Maintain compatibility with external interfaces expecting iconName

ts_web/elements/dees-statsgrid.ts

@@ -391,7 +391,7 @@ export class DeesStatsGrid extends DeesElement {
                 type="outline"
                 size="sm"
               >
-                ${action.iconName ? html`<dees-icon .iconFA=${action.iconName} size="small"></dees-icon>` : ''}
+                ${action.iconName ? html`<dees-icon .icon=${action.iconName} size="small"></dees-icon>` : ''}
                 ${action.name}
               </dees-button>
             `)}
@@ -427,7 +427,7 @@ export class DeesStatsGrid extends DeesElement {
         <div class="tile-header">
           <h3 class="tile-title">${tile.title}</h3>
           ${tile.icon ? html`
-            <dees-icon class="tile-icon" .iconFA=${tile.icon} size="small"></dees-icon>
+            <dees-icon class="tile-icon" .icon=${tile.icon} size="small"></dees-icon>
           ` : ''}
         </div>