make more generic

src/components/user_autosuggest/user_autosuggest.js

@@ -10,6 +10,10 @@ export default {
     },
     filter: {   // function to filter results in real time
       type: Function
+    },
+    placeholder: {
+      type: String,
+      default: 'Search...'
     }
   },
   components: {

src/components/user_autosuggest/user_autosuggest.vue

@@ -1,6 +1,6 @@
 <template>
   <div class="user-autosuggest" v-click-outside="onClickOutside">
-    <input v-model="term" placeholder="Search whom you want to block" @click="onInputClick" class="user-autosuggest-input" />
+    <input v-model="term" :placeholder="placeholder" @click="onInputClick" class="user-autosuggest-input" />
     <div class="user-autosuggest-results" v-if="resultsVisible && filtered.length > 0">
       <BlockCard v-for="userId in filtered" :key="userId" :userId="userId"/>
     </div>

src/components/user_settings/user_settings.vue

@@ -196,7 +196,7 @@
 
         <div :label="$t('settings.blocks_tab')">
           <div class="profile-edit-usersearch-wrapper">
-            <UserAutoSuggest :filter="filterUnblockedUsers" :query="queryUserIds" />
+            <UserAutoSuggest :filter="filterUnblockedUsers" :query="queryUserIds" placeholder="Search whom you want to block" />
           </div>
           <block-list :refresh="true">
             <template slot="empty">{{$t('settings.no_blocks')}}</template>