added another needed themeprovider

Author: NielsPilgaard

src/web/Client/Shared/LandingPageLayout.razor

@@ -19,7 +19,8 @@
                 <TopBarProfileMenu  />
             </Authorized>
             <NotAuthorized>
-                <MudIconButton Title="Log ind" Icon="@Icons.Material.Filled.Login" Href="auth/login" Variant="Variant.Outlined" Color="Color.Default" />
+                <ThemeProvider />
+                <MudIconButton Title="Log ind" Icon="@Icons.Material.Filled.Login" Href="auth/login" Variant="Variant.Outlined" Color="Color.Default"/>
             </NotAuthorized>
         </AuthorizeView>
     </MudAppBar>