Update image name on landing page

Author: RaymondLuong3

src/SIL.XForge.Scripture/Pages/Shared/_Layout.cshtml

@@ -58,7 +58,7 @@
                     <div class="flex align-items-center">
                         <a asp-page="Index">
                             <img
-                                src="~/assets/images/@(Settings.UseScriptureForgeBranding() ? "sf_logo_with_name_black" : "scribdocs_logo").svg"
+                                src="~/assets/images/@(Settings.UseScriptureForgeBranding() ? "sf_logo_with_name_black" : "sd").svg"
                                 class="@(Settings.UseScriptureForgeBranding() ? string.Empty : "square")"
                                 alt="@Settings.GetSiteName()">
                         </a>