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-label.ts

@@ -82,7 +82,7 @@ export class DeesLabel extends DeesElement {
               ${this.required ? html`<span class="required">*</span>` : ''}
               ${this.description
                 ? html`
-                    <dees-icon .iconName=${'lucideInfo'}></dees-icon>
+                    <dees-icon .icon=${'lucide:info'}></dees-icon>
                     <dees-speechbubble .text=${this.description}></dees-speechbubble>
                   `
                 : html``}