Fix home regeneration (#6251)

* Fix regeneration marker not being removed after completion

* Return HTTP 206 from /api/v1/timelines/home if regeneration in progress
Prioritize RegenerationWorker by putting it into default queue

* Display loading indicator and poll home timeline while it regenerates

* Add graphic to regeneration message

* Make "not found" indicator consistent with home regeneration

1 files changed, 7 insertions, 2 deletions

diff --git a/app/javascript/mastodon/components/missing_indicator.js b/app/javascript/mastodon/components/missing_indicator.js
index 87df7f61c..70d8c3b98 100644
--- a/app/javascript/mastodon/components/missing_indicator.js
+++ b/app/javascript/mastodon/components/missing_indicator.js
@@ -2,9 +2,14 @@ import React from 'react';
 import { FormattedMessage } from 'react-intl';
 
 const MissingIndicator = () => (
-  <div className='missing-indicator'>
+  <div className='regeneration-indicator missing-indicator'>
     <div>
-      <FormattedMessage id='missing_indicator.label' defaultMessage='Not found' />
+      <div className='regeneration-indicator__figure' />
+
+      <div className='regeneration-indicator__label'>
+        <FormattedMessage id='missing_indicator.label' tagName='strong' defaultMessage='Not found' />
+        <FormattedMessage id='missing_indicator.sublabel' defaultMessage='This resource could not be found' />
+      </div>
     </div>
   </div>
 );