Hello,
Apologies for the inconvenience.
Regarding the submenu issue, could you please check and confirm whether it is now resolved on your end?
For the logo size, you can adjust the logo height according to your preference from the following setting:
prnt.sc/jBhf93MeCLJ_
Concerning the logo icon, could you please provide a bit more detail about how you would like it to appear? Once I better understand your requirement, I will be happy to guide you accordingly.
Thank you for your patience and cooperation.