Fix: special loginbutton now actually works

src/UI/Base/LoginButton.svelte

@@ -6,6 +6,10 @@
 
   export let osmConnection: OsmConnection
   export let clss: string | undefined = undefined
+
+  if(osmConnection === undefined){
+    console.error("No osmConnection passed into loginButton")
+  }
 </script>
 
 <button class={clss} on:click={() => osmConnection.AttemptLogin()} style="margin-left: 0">

src/UI/SpecialVisualizations.ts

@@ -1747,7 +1747,7 @@ console.log(">>> ",helpTexts.join("\n\n"))
                 ): BaseUIElement {
                     return new Toggle(
                         undefined,
-                        new SvelteUIElement(LoginButton),
+                        new SvelteUIElement(LoginButton, {osmConnection: state.osmConnection}),
                         state.osmConnection.isLoggedIn
                     )
                 }