Leftover Tibetan localization

[drupchen]

Description :

There are still places where Tibetan translation is not added and need to tick below steps after its done.

• 1

• 2

• 3

• 4

• 5

• 6 wrong strings + "back to login" not localized (in https://pecha.org/password/reset)

in table 6

• 7

in table 38

[Lungsangg]

noted

[Lungsangg]

All of these cases except no.3 are related with code change (like generate .po file for Tibetan) again or multiple Tibetan meaning for an english key.