fix: phone selector dropdown hidden behind logo on booking page (#10617)

Co-authored-by: mohammed gehad <mohammed.gehad.1998@gmail.com>
Co-authored-by: Carina Wollendorfer <30310907+CarinaWolli@users.noreply.github.com>

packages/features/bookings/Booker/Booker.tsx

@@ -298,7 +298,7 @@ const BookerComponent = ({
         <m.span
           key="logo"
           className={classNames(
-            "mb-6 mt-auto pt-6 [&_img]:h-[15px]",
+            "-z-10 mb-6 mt-auto pt-6 [&_img]:h-[15px]",
             hasDarkBackground ? "dark" : "",
             layout === BookerLayouts.MONTH_VIEW ? "block" : "hidden"
           )}>