upload_button.js: Accept all MIME types

Changelog-mastofe.txt

@@ -10,6 +10,7 @@ Changes
 -------
 - Getting-Started column: Scrolling is on the whole column rather than being
 separated on each compoment
+- File Upload: Remove the MIME/file-extension limitation of accepted files
 
 Fixes
 -----

app/javascript/flavours/glitch/features/compose/components/options.js

@@ -261,7 +261,6 @@ class ComposerOptions extends ImmutablePureComponent {
     return (
       <div className='composer--options'>
         <input
-          accept={acceptContentTypes}
           disabled={disabled || !allowMedia}
           key={resetFileKey}
           onChange={this.handleChangeFiles}

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

@@ -70,7 +70,6 @@ class UploadButton extends ImmutablePureComponent {
             ref={this.setRef}
             type='file'
             multiple
-            accept={acceptContentTypes.toArray().join(',')}
             onChange={this.handleChange}
             disabled={disabled}
             style={{ display: 'none' }}