UX Improvement: Settings Save and Discard Buttons

Problem:
The "Save Changes" Button is not at the bottom when I scroll as shown in Video Reference 1.

Video Reference 1:
https://youtu.be/wphIG_K_WRw

Solution:
The buttons should switch to active state when changes are made in the settings as shown in the Video Reference 2

Video Reference 2:
https://youtu.be/XBE4pdHvmx8