If the user sends some emojis while waiting for a sticker, use them as the emojis for the next sticker he is going to add

[zeroone2numeral2]

Data should be saved in the user's temp data, and this should be available during both pack creation and stickers addition. There should be a new MessageHandler filter for this

Clean up the tmp data when:

• we receive a sticker
• the user is done with the operation