Replace fragile selectors with direct options from Dropzone

Author: bartvdbraak

web_src/js/features/repo-issue.ts

@@ -543,9 +543,12 @@ function initIssueTemplateCommentEditors(commentForm: HTMLFormElement) {
       showElem(commentForm.querySelectorAll('.combo-editor-dropzone .form-field-real'));
       hideElem(commentForm.querySelectorAll('.combo-editor-dropzone .combo-markdown-editor'));
       queryElems(commentForm, '.combo-editor-dropzone .form-field-dropzone', (dropzoneContainer) => {
-        const dropzone = dropzoneContainer.closest('.combo-editor-dropzone')?.querySelector('.dropzone');
-        const hasUploadedFiles = dropzone?.querySelector('.dz-preview') !== null;
-        if (!hasUploadedFiles) hideElem(dropzoneContainer);
+        const dropzoneEl = dropzoneContainer.closest<HTMLElement>('.combo-editor-dropzone')?.querySelector<HTMLElement>('.dropzone');
+        const dzInstance = dropzoneEl?.dropzone;
+
+        if (dzInstance && dzInstance.files.length === 0) {
+          hideElem(dropzoneContainer);
+        }
       });
 
       // activate this markdown editor