import of some webm sticker fails

[LuckyTurtleDev]

For example at the sticker pack https://t.me/addstickers/LANI_Kurumi_chan_2_ENG the import of the following stickers does fail:

 ERROR failed to import sticker 0 from pack "LANI_Kurumi_chan_2_ENG"

Caused by:
    BufferSizeFailed: Expected (width * height * 4 = 708608) bytes as input buffer, got 720896 bytes
 ERROR failed to import sticker 2 from pack "LANI_Kurumi_chan_2_ENG"

Caused by:
    BufferSizeFailed: Expected (width * height * 4 = 679936) bytes as input buffer, got 688128 bytes
 ERROR failed to import sticker 6 from pack "LANI_Kurumi_chan_2_ENG"

Caused by:
    BufferSizeFailed: Expected (width * height * 4 = 724992) bytes as input buffer, got 737280 bytes
 ERROR failed to import sticker 12 from pack "LANI_Kurumi_chan_2_ENG"

Caused by:
    BufferSizeFailed: Expected (width * height * 4 = 712704) bytes as input buffer, got 720896 bytes
 ERROR failed to import sticker 13 from pack "LANI_Kurumi_chan_2_ENG"

Caused by:
    BufferSizeFailed: Expected (width * height * 4 = 667648) bytes as input buffer, got 671744 bytes
 ERROR failed to import sticker 15 from pack "LANI_Kurumi_chan_2_ENG"

Caused by:
    BufferSizeFailed: Expected (width * height * 4 = 745472) bytes as input buffer, got 753664 bytes
 ERROR failed to import sticker 16 from pack "LANI_Kurumi_chan_2_ENG"

Caused by:
    BufferSizeFailed: Expected (width * height * 4 = 712704) bytes as input buffer, got 720896 bytes
 ERROR failed to import sticker 17 from pack "LANI_Kurumi_chan_2_ENG"

Caused by:
    BufferSizeFailed: Expected (width * height * 4 = 782336) bytes as input buffer, got 786432 bytes
 ERROR failed to import sticker 18 from pack "LANI_Kurumi_chan_2_ENG"

Caused by:
    BufferSizeFailed: Expected (width * height * 4 = 839680) bytes as input buffer, got 851968 bytes
 ERROR failed to import sticker 19 from pack "LANI_Kurumi_chan_2_ENG"

Caused by:
    BufferSizeFailed: Expected (width * height * 4 = 913408) bytes as input buffer, got 917504 bytes
 ERROR failed to import sticker 28 from pack "LANI_Kurumi_chan_2_ENG"

Caused by:
    BufferSizeFailed: Expected (width * height * 4 = 1040384) bytes as input buffer, got 1048576 bytes
 ERROR failed to import sticker 42 from pack "LANI_Kurumi_chan_2_ENG"

Caused by:
    BufferSizeFailed: Expected (width * height * 4 = 925696) bytes as input buffer, got 933888 bytes
 ERROR failed to import sticker 43 from pack "LANI_Kurumi_chan_2_ENG"

Caused by:
    BufferSizeFailed: Expected (width * height * 4 = 1003520) bytes as input buffer, got 1015808 bytes
 ERROR failed to import sticker 47 from pack "LANI_Kurumi_chan_2_ENG"

Caused by:
    BufferSizeFailed: Expected (width * height * 4 = 757760) bytes as input buffer, got 770048 bytes

@msrd0