You refined the UI mockup based on community, that is for sure, but not in a good way.
It is completely unacceptable to be plagiarizing another contributors’ proposal, shame on you.
I’m not sure how you thought nobody would notice, but you’re certainly too old for this, there is no excuse.
You will not be selected or further mentored due to your actions.
I will also be reporting this to GSOC as well, and you will not be participating in the GSOC program this year.