[Android] Snackbar padding is different with other screens on timetable

[ked4ma]

Idea Description Paddings of snackbar on timetable screen is different with other screens (session detail, contributors, etc...) I felt it is little bit wierd :thinking:

Reference images and links timetable	session detail	contributor

[ked4ma]

If it's ok to fit paddings with other screens, I'll do it :raised_hand_with_fingers_splayed:

(Additional Question: Is it a bug error message is not shown on snackbar??? :thinking: ) ↑ I guess AppError.messgage may be always null.

[takahirom]

I wonder why AppError.mesagge is null but thanks!