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-chips.ts

@@ -168,7 +168,7 @@ export class DeesChips extends DeesElement {
                         event.stopPropagation(); // prevent the selectChip event from being triggered
                         this.removeChip(chip);
                       }}
-                      .iconFA=${'xmark'}
+                      .icon=${'fa:xmark'}
                     ></dees-icon>
                   `
                 : html``}