Add customizable user roles (#18641)

* Add customizable user roles

* Various fixes and improvements

* Add migration for old settings and fix tootctl role management

app/javascript/styles/mastodon/admin.scss

@@ -924,6 +924,10 @@ a.name-tag,
   margin-top: 15px;
 }
 
+.user-role {
+  color: var(--user-role-accent);
+}
+
 .announcements-list,
 .filters-list {
   border: 1px solid lighten($ui-base-color, 4%);
@@ -960,6 +964,17 @@ a.name-tag,
     &__meta {
       padding: 0 15px;
       color: $dark-text-color;
+
+      a {
+        color: inherit;
+        text-decoration: underline;
+
+        &:hover,
+        &:focus,
+        &:active {
+          text-decoration: none;
+        }
+      }
     }
 
     &__action-bar {

app/javascript/styles/mastodon/forms.scss

@@ -256,6 +256,10 @@ code {
     }
   }
 
+  .input.with_block_label.user_role_permissions_as_keys ul {
+    columns: unset;
+  }
+
   .input.datetime .label_input select {
     display: inline-block;
     width: auto;