[Feature] scroll to top should be in side wise.

**Is your feature request related to a problem? Please describe.**
Scroll to top will look more attractive when on right or left side.

**Describe the solution you’d like**
Move to left.

**Describe alternatives you’ve considered**
A clear and concise description of any alternative solutions or features you’ve considered.

**Additional context**
i can work on it but help me finding the frontend files.