:sparkles: add new search watcher for initPosts

vue-theme/src/pages/list.vue

             if(ignore.includes(newType)) return
             this.initPostList()
         },
+        isSearch(newTerm, oldTerm) {
+            if(!newTerm && oldTerm) {
+                this.initPostList()
+            }
+        },
         // Fires when navigating between pages with different sorts
         sortBy(newSort) {
             // console.log('sort changed :', newSort)