Add the near and id search operators back to autocomplete.

These were accidentally lost in
53d08b29367c0172e483064f213538d45098279e.

(imported from commit 11813fd43b5ecb2e15ed9f3276497837b9997bee)

static/js/search_suggestion.js

@@ -58,6 +58,12 @@ function describe(operators) {
         case 'stream':
             return 'Narrow to stream ' + operand;
 
+        case 'near':
+            return 'Narrow to messages around ' + operand;
+
+        case 'id':
+            return 'Narrow to message ID ' + operand;
+
         case 'topic':
             return 'Narrow to topic ' + operand;