fix(frontend): cannot remove attachments when forwarding an email (#1437

)

modules/smtp/modules.php

@@ -1695,7 +1695,7 @@ function format_attachment_row($file, $output_mod) {
     return '<tr id="tr-'.$unique_identifier.'"><td>'.
             $output_mod->html_safe($file['name']).'</td><td>'.$output_mod->html_safe($file['type']).' ' .$output_mod->html_safe(round($file['size']/1024, 2)). 'KB '.
             '<td style="display:none"><input name="uploaded_files[]" type="text" value="'.$file['name'].'" /></td>'.
-            '</td><td><a class="remove_attachment invalid-feedback" id="remove-'.$unique_identifier.'" href="#">Remove</a><a style="display:none" id="pause-'.$unique_identifier.'" class="pause_upload" href="#">Pause</a><a style="display:none" id="resume-'.$unique_identifier.'" class="resume_upload" href="#">Resume</a></td></tr><tr><td colspan="2">'.
+            '</td><td><a class="remove_attachment text-danger" id="remove-'.$unique_identifier.'" href="#">Remove</a><a style="display:none" id="pause-'.$unique_identifier.'" class="pause_upload" href="#">Pause</a><a style="display:none" id="resume-'.$unique_identifier.'" class="resume_upload" href="#">Resume</a></td></tr><tr><td colspan="2">'.
             '<div class="meter" style="width:100%; display: none;"><span id="progress-'.
             $unique_identifier.'" style="width:0%;"><span class="progress" id="progress-bar-'.
             $unique_identifier.'"></span></span></div></td></tr>';