fix: restore dropzone imports from upstream v1.26.1

The merge conflict resolution incorrectly kept @deltablot/dropzone
imports instead of upstream's dropzone package, causing vite build
failure on unresolved import.

Authored-by: Moko Consulting
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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 Dropzone from '@deltablot/dropzone';
+import type {DropzoneFile} from '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 Dropzone.DropzoneFile);
+    dropzoneInst.addFile(file as DropzoneFile);
   });
 }
 

web_src/js/features/dropzone.ts

@@ -5,23 +5,22 @@ import {showTemporaryTooltip} from '../modules/tippy.ts';
 import {GET, POST} from '../modules/fetch.ts';
 import {showErrorToast} from '../modules/toast.ts';
 import {createElementFromHTML, createElementFromAttrs} from '../utils/dom.ts';
-import {errorMessage} from '../modules/errors.ts';
 import {isImageFile, isVideoFile} from '../utils.ts';
-import type Dropzone from '@deltablot/dropzone';
+import type {DropzoneFile, DropzoneOptions} from 'dropzone/index.js';
 
 const {i18n} = window.config;
 
-type CustomDropzoneFile = Dropzone.DropzoneFile & {uuid: string};
+type CustomDropzoneFile = DropzoneFile & {uuid: string};
 
 // dropzone has its owner event dispatcher (emitter)
 export const DropzoneCustomEventReloadFiles = 'dropzone-custom-reload-files';
 export const DropzoneCustomEventRemovedFile = 'dropzone-custom-removed-file';
 export const DropzoneCustomEventUploadDone = 'dropzone-custom-upload-done';
 
-async function createDropzone(el: HTMLElement, opts: Dropzone.DropzoneOptions) {
+async function createDropzone(el: HTMLElement, opts: DropzoneOptions) {
   const [{default: Dropzone}] = await Promise.all([
-    import('@deltablot/dropzone'),
-    import('@deltablot/dropzone/dist/dropzone.css'),
+    import('dropzone'),
+    import('dropzone/dist/dropzone.css'),
   ]);
   return new Dropzone(el, opts);
 }
@@ -150,7 +149,7 @@ export async function initDropzone(dropzoneEl: HTMLElement) {
     } catch (error) {
       // TODO: if listing the existing attachments failed, it should stop from operating the content or attachments,
       //  otherwise the attachments might be lost.
-      showErrorToast(`Failed to load attachments: ${errorMessage(error)}`);
+      showErrorToast(`Failed to load attachments: ${error}`);
       console.error(error);
     }
   });