rustdoc-search: show all generics if implDisamiguator is set

This cleans up the Simd page

Author: notriddle

src/librustdoc/html/static/js/search.js

@@ -1267,7 +1267,9 @@ function initSearch(rawSearchIndex) {
                         }
                     } else {
                         push(fnType.name, fnType.highlighted);
-                        if (fnType.generics && fnType.generics.some(isTransitivelyHighlighted)) {
+                        if (fnType.generics &&
+                            (fnType.generics.some(isTransitivelyHighlighted) || fnType.implDisambiguator !== null)
+                        ) {
                             pushNotHighlighted("<");
                             formatTypeList(fnType.generics, ", ");
                             pushNotHighlighted(">");