Do not show quickswitch if background map switching is disabled

Logic/State/FeatureSwitchState.ts

@@ -16,7 +16,7 @@ export default class FeatureSwitchState {
 
     public readonly featureSwitchUserbadge: UIEventSource<boolean>;
     public readonly featureSwitchSearch: UIEventSource<boolean>;
-    public readonly featureSwitchBackgroundSlection: UIEventSource<boolean>;
+    public readonly featureSwitchBackgroundSelection: UIEventSource<boolean>;
     public readonly featureSwitchAddNew: UIEventSource<boolean>;
     public readonly featureSwitchWelcomeMessage: UIEventSource<boolean>;
     public readonly featureSwitchIframePopoutEnabled: UIEventSource<boolean>;
@@ -72,7 +72,7 @@ export default class FeatureSwitchState {
             (layoutToUse) => layoutToUse?.enableSearch ?? true,
             "Disables/Enables the search bar"
         );
-        this.featureSwitchBackgroundSlection = featSw(
+        this.featureSwitchBackgroundSelection = featSw(
             "fs-background",
             (layoutToUse) => layoutToUse?.enableBackgroundLayerSelection ?? true,
             "Disables/Enables the background layer control"

UI/BigComponents/FilterView.ts

@@ -20,7 +20,7 @@ export default class FilterView extends VariableUiElement {
         const backgroundSelector = new Toggle(
             new BackgroundSelector(),
             undefined,
-            State.state.featureSwitchBackgroundSlection
+            State.state.featureSwitchBackgroundSelection
         )
         super(
             filteredLayer.map((filteredLayers) => {

UI/BigComponents/LeftControls.ts

@@ -19,6 +19,7 @@ import BackgroundMapSwitch from "./BackgroundMapSwitch";
 export default class LeftControls extends Combine {
 
     constructor(state: {
+                    featureSwitchBackgroundSelection: UIEventSource<boolean>;
                     layoutToUse: LayoutConfig,
                     featurePipeline: FeaturePipeline,
                     currentBounds: UIEventSource<BBox>,
@@ -74,10 +75,16 @@ export default class LeftControls extends Combine {
             undefined,
             state.featureSwitchFilter
         );
+        
+        const mapSwitch = new Toggle(
+            new BackgroundMapSwitch(state, state.backgroundLayer),
+            undefined,
+            state.featureSwitchBackgroundSelection
+        )
 
         super([filterButton,
             downloadButtonn,
-            new BackgroundMapSwitch(state, state.backgroundLayer)
+           mapSwitch
         ])
 
         this.SetClass("flex flex-col")

UI/DefaultGuiState.ts

@@ -18,7 +18,7 @@ export class DefaultGuiState {
         this.welcomeMessageOpenedTab = UIEventSource.asFloat(QueryParameters.GetQueryParameter(
             "tab",
             "0",
-            `The tab that is shown in the welcome-message. 0 = the explanation of the theme,1 = OSM-credits, 2 = sharescreen, 3 = more themes, 4 = about mapcomplete (user must be logged in and have >${Constants.userJourney.mapCompleteHelpUnlock} changesets)`
+            `The tab that is shown in the welcome-message.`
         ));
         this.welcomeMessageIsOpened = QueryParameters.GetBooleanQueryParameter(
             "welcome-control-toggle",