Update themes to use new language_chooser

test.ts

@@ -0,0 +1,24 @@
+import {LanguageElement} from "./UI/Popup/LanguageElement";
+import {ImmutableStore, UIEventSource} from "./Logic/UIEventSource";
+import {VariableUiElement} from "./UI/Base/VariableUIElement";
+import Locale from "./UI/i18n/Locale";
+import {OsmConnection} from "./Logic/Osm/OsmConnection";
+
+const tgs = new UIEventSource({
+    "name": "xyz",
+    "id": "node/1234",
+    "_country" : "BE",
+})
+Locale.language.setData("nl")
+console.log(tgs)
+console.log("Locale", Locale.language)
+const conn = new OsmConnection({})
+new LanguageElement().constr(<any> {osmConnection: conn, featureSwitchIsTesting: new ImmutableStore(true)}, tgs, [
+    "language",
+    "What languages are spoken here?",
+    "{language()} is spoken here",
+    "{language()} is the only language spoken here",
+    "The following languages are spoken here: {list()}"
+]).AttachTo("maindiv")
+
+new VariableUiElement(tgs.map(JSON.stringify)).AttachTo("extradiv")