ensure 'Firing Since' column is minimum width so that date/time wraps the same way in all cases

Author: edda

src/components/Alerts.js

@@ -273,7 +273,7 @@ const Alerts = React.memo(
               <th>Region</th>
               <th>Service</th>
               <th>Title</th>
-              <th className="text-nowrap">Firing Since</th>
+              <th className="text-nowrap snug">Firing Since</th>
               <th>Status</th>
               <th></th>
             </tr>

src/styles/theme.scss

@@ -476,8 +476,10 @@ thead {
   color: #fff;
 }
 
-td.snug {
-  width: 1px;
+td, th {
+  &.snug {
+    width: 1px;
+  }
 }
 
 .action-buttons {