fix: prevent drop files overlay from appearing when dragging text selections in Firefox (#1268)

Author: JorgeEduardoRojasRodriguez

src/app/shared/upload/file-dropzone-no-uploader/file-dropzone-no-uploader.component.ts

@@ -63,6 +63,10 @@ export class FileDropzoneNoUploaderComponent implements OnInit {
 
   @HostListener('window:dragover', ['$event'])
   onDragOver(event: any) {
+    // Only show drop area when dragging files, not text selections (fixes Firefox bug)
+    if (!event.dataTransfer?.types?.includes('Files')) {
+      return;
+    }
     // Show drop area on the page
     event.preventDefault();
     if ((event.target as any).tagName !== 'HTML') {

src/app/shared/upload/uploader/uploader.component.ts

@@ -87,6 +87,10 @@ export class UploaderComponent {
   onDragOver(event: any) {
 
     if (this.enableDragOverDocument && this.dragService.isAllowedDragOverPage()) {
+      // Only show drop area when dragging files, not text selections (fixes Firefox bug)
+      if (!event.dataTransfer?.types?.includes('Files')) {
+        return;
+      }
       // Show drop area on the page
       event.preventDefault();
       if ((event.target as any).tagName !== 'HTML') {