Clarify filter/search labels

lib/ui/app/list_filter.dart

@@ -7,14 +7,16 @@ import 'package:redux/redux.dart';
 class ListFilter extends StatefulWidget {
   const ListFilter({
     Key key,
-    this.filter,
-    this.title,
-    this.onFilterChanged,
+    @required this.filter,
+    @required this.title,
+    @required this.onFilterChanged,
+    this.filterLabel,
   }) : super(key: key);
 
   final String filter;
   final String title;
   final Function(String) onFilterChanged;
+  final String filterLabel;
 
   @override
   _ListFilterState createState() => new _ListFilterState();
@@ -71,7 +73,7 @@ class _ListFilterState extends State<ListFilter> {
                       ),
                      */
                       border: InputBorder.none,
-                      hintText: localization.filter),
+                      hintText: widget.filterLabel ?? localization.filter),
                   autofocus: true,
                   autocorrect: false,
                   onChanged: (value) {

lib/ui/app/list_filter_button.dart

@@ -6,12 +6,14 @@ import 'package:invoiceninja_flutter/utils/localization.dart';
 
 class ListFilterButton extends StatelessWidget {
   const ListFilterButton({
-    this.filter,
-    this.onFilterPressed,
+    @required this.filter,
+    @required this.onFilterPressed,
+    this.filterLabel,
   });
 
   final String filter;
   final Function onFilterPressed;
+  final String filterLabel;
 
   @override
   Widget build(BuildContext context) {
@@ -21,7 +23,9 @@ class ListFilterButton extends StatelessWidget {
       builder: (BuildContext context, Store<AppState> store) {
         return FlatButton(
           child: Text(
-            filter == null ? localization.filter : localization.close,
+            filter == null
+                ? (filterLabel ?? localization.filter)
+                : localization.close,
             style: TextStyle(color: Colors.white),
           ),
           onPressed: () => onFilterPressed(filter == null ? '' : null),

lib/ui/dashboard/dashboard_screen.dart

@@ -72,6 +72,7 @@ class _DashboardScreenState extends State<DashboardScreen>
             onFilterChanged: (value) {
               store.dispatch(FilterCompany(value));
             },
+            filterLabel: localization.search,
           ),
           actions: [
             ListFilterButton(
@@ -79,6 +80,7 @@ class _DashboardScreenState extends State<DashboardScreen>
               onFilterPressed: (String value) {
                 store.dispatch(FilterCompany(value));
               },
+              filterLabel: localization.search,
             ),
             if (isMobile(context) || !state.prefState.isHistoryVisible)
               Builder(