Fix back button; add title

Logic/Actors/TitleHandler.ts

@@ -0,0 +1,33 @@
+import {UIEventSource} from "../UIEventSource";
+import LayoutConfig from "../../Customizations/JSON/LayoutConfig";
+import Translations from "../../UI/i18n/Translations";
+import Locale from "../../UI/i18n/Locale";
+import {UIElement} from "../../UI/UIElement";
+
+export default class TitleHandler{
+    constructor(layoutToUse: UIEventSource<LayoutConfig>, fullScreenMessage: UIEventSource<{ content: UIElement, hashText: string, titleText?: UIElement }>) {
+
+
+        layoutToUse.map((layoutToUse) => {
+                return Translations.WT(layoutToUse?.title)?.txt ?? "MapComplete"
+            }, [Locale.language]
+        ).addCallbackAndRun((title) => {
+            document.title = title
+        });
+
+        fullScreenMessage.addCallbackAndRun(selected => {
+            const title = Translations.WT(layoutToUse.data?.title)?.txt ?? "MapComplete"
+            if(selected?.titleText?.data === undefined){
+                document.title = title
+            }else{
+                selected.titleText.Update();
+                var d = document.createElement('div');
+                d.innerHTML = selected.titleText.InnerRender();
+                const poi = (d.textContent || d.innerText)
+                document.title = title + " | " + poi;
+            }
+        })
+
+
+    }
+}