Fix focus fighting between BreadCrumb and Search

frontend/src/components/BreadCrumb.vue

@@ -4,7 +4,7 @@
     aria-label="Breadcrumb"
     @keyup.left.stop="move(-1)"
     @keyup.right.stop="move(1)"
-    @focus="move(0)"
+    @keyup.enter="move(0)"
   >
     <a href="#/"
       :ref="el => setLinkRef(0, el)"

frontend/src/components/HeaderMain.vue

@@ -18,7 +18,6 @@
           ref="search"
           type="search"
           :value="query"
-          @blur="ev => { if (!query) closeSearch(ev) }"
           @input="updateSearch"
           placeholder="Search words"
           class="margin-input"