Change wording of the “undo” media upload button (fixes #6857) (#7417)

app/javascript/mastodon/features/compose/components/upload.js

@@ -77,7 +77,7 @@ export default class Upload extends ImmutablePureComponent {
           {({ scale }) => (
             <div className='compose-form__upload-thumbnail' style={{ transform: `scale(${scale})`, backgroundImage: `url(${media.get('preview_url')})`, backgroundPosition: `${x}% ${y}%` }}>
               <div className={classNames('compose-form__upload__actions', { active })}>
-                <button className='icon-button' onClick={this.handleUndoClick}><i className='fa fa-times' /> <FormattedMessage id='upload_form.undo' defaultMessage='Undo' /></button>
+                <button className='icon-button' onClick={this.handleUndoClick}><i className='fa fa-times' /> <FormattedMessage id='upload_form.undo' defaultMessage='Delete' /></button>
                 {media.get('type') === 'image' && <button className='icon-button' onClick={this.handleFocalPointClick}><i className='fa fa-crosshairs' /> <FormattedMessage id='upload_form.focus' defaultMessage='Crop' /></button>}
               </div>
 

app/javascript/mastodon/locales/defaultMessages.json

@@ -819,7 +819,7 @@
         "id": "upload_form.description"
       },
       {
-        "defaultMessage": "Undo",
+        "defaultMessage": "Delete",
         "id": "upload_form.undo"
       },
       {

app/javascript/mastodon/locales/en.json

@@ -283,7 +283,7 @@
   "upload_button.label": "Add media",
   "upload_form.description": "Describe for the visually impaired",
   "upload_form.focus": "Crop",
-  "upload_form.undo": "Undo",
+  "upload_form.undo": "Delete",
   "upload_progress.label": "Uploading...",
   "video.close": "Close video",
   "video.exit_fullscreen": "Exit full screen",