connectors: quieter chips, 3-line descriptions, single access-grant surface

Row descriptions clamp at three lines instead of one. Metadata chips
(scope/type/auth) lose the loud accents — only status chips keep colour —
and the auth chip speaks human ("Requires an API key") instead of the
raw enum, via a shared authLabel().

Drop the access-grant section from the connector detail page: the Users
page modal already grants both global and per-user connectors, so
"who has what" now has a single surface.

web/css/connectors.css

@@ -79,10 +79,14 @@
 
 .connector-row-desc {
   font-size: 0.74rem;
+  line-height: 1.35;
   color: var(--placeholder-color);
+  /* Up to three lines: long descriptions stay readable without blowing the row
+     up — the clamp, not the text, decides the height. */
+  display: -webkit-box;
+  -webkit-line-clamp: 3;
+  -webkit-box-orient: vertical;
   overflow: hidden;
-  text-overflow: ellipsis;
-  white-space: nowrap;
 }
 
 .connector-row-chips {