Replace dropzone with @deltablot/dropzone (#37237)

Fix #37228. 

Using NicolasCARPi/dropzone as short-term solution

web_src/js/features/comp/EditorUpload.ts

@@ -8,7 +8,7 @@ import {
 import {subscribe} from '@github/paste-markdown';
 import type CodeMirror from 'codemirror';
 import type EasyMDE from 'easymde';
-import type {DropzoneFile} from 'dropzone';
+import type Dropzone from '@deltablot/dropzone';
 
 let uploadIdCounter = 0;
 
@@ -31,7 +31,7 @@ function uploadFile(dropzoneEl: HTMLElement, file: File) {
     };
     dropzoneInst.on(DropzoneCustomEventUploadDone, onUploadDone);
     // FIXME: this is not entirely correct because `file` does not satisfy DropzoneFile (we have abused the Dropzone for long time)
-    dropzoneInst.addFile(file as DropzoneFile);
+    dropzoneInst.addFile(file as Dropzone.DropzoneFile);
   });
 }