Saved games search & Mapsearch filter improvements (#6194)

* better filter menu

* remove unused bundle property

* indent

* Add text instead of using labels

* Saved game search

* Save not map

* auto cursor to search bar

* change icon to terrain

core/assets/bundles/bundle.properties

@@ -288,6 +288,7 @@ save.corrupted = Save file corrupted or invalid!
 empty = <empty>
 on = On
 off = Off
+save.search = Search Saved Games...
 save.autosave = Autosave: {0}
 save.map = Map: {0}
 save.wave = Wave {0}
@@ -381,7 +382,11 @@ editor.newmap = New Map
 editor.center = Center
 editor.search = Search Maps...
 editor.filters = Filter Maps
-editor.showAll = Show Default Maps
+editor.filters.mode = Gamemodes:
+editor.filters.type = Map Type:
+editor.filters.search = Search In:
+editor.filters.author = Author
+editor.filters.description = Description
 workshop = Workshop
 waves.title = Waves
 waves.remove = Remove