Additional warnings for reinstall, disable uninstall if doesn't make sense, reduce maxheight to 40% of videoview

Added ability to click on a comment to view where the comment was placed and the ability to navigate upwards in the replies overlay by clicking the parent comment.

Gesture controls can individually be enabled/disabled and can be toggled to use system or non-system values.

Fixed buttons in subscription groups and made select button click only work when there are things selected.

Added icon based on the system key when a polycentric user has not set a profile picture. Made managing Polycentric profile most robust. Fixed an issue where latest events were not always being shown in relation to Polycentric profiles. Added copyable (on long press) system key in Polycentric profile activity. Added tutorial videos tab and flow.

Fixed duration format. Added tutorial fragment. Added dialog that asks you if you want to see the tutorials on the first app boot. Made casting when clicking start now open connected dialog. Fixed crashes related to sliders in casting connected control. Fixed history tab title. Removed old FCast encryption.