Fix logged out search and changed logged-in search placeholder (#19514)

app/javascript/mastodon/actions/search.js

@@ -29,7 +29,8 @@ export function clearSearch() {
 
 export function submitSearch() {
   return (dispatch, getState) => {
-    const value = getState().getIn(['search', 'value']);
+    const value    = getState().getIn(['search', 'value']);
+    const signedIn = !!getState().getIn(['meta', 'me']);
 
     if (value.length === 0) {
       dispatch(fetchSearchSuccess({ accounts: [], statuses: [], hashtags: [] }, ''));
@@ -41,7 +42,7 @@ export function submitSearch() {
     api(getState).get('/api/v2/search', {
       params: {
         q: value,
-        resolve: true,
+        resolve: signedIn,
         limit: 5,
       },
     }).then(response => {