[BUG] - wrong key name for channel-web sent history

[laurentlp]

Describe the bug A clear and concise description of what the bug is.

It seems like window.BOT_ID is undefined, which is causing the issue (see: modules/channel-web/src/views/lite/store/composer.ts).

To Reproduce Steps to reproduce the behavior:

1. Open the studio
2. Converse with your bot
3. Open your browser's DevTools
4. Under Application -> localStorage, you'll see a bp::undefined::sentHistory key

Expected behavior The key should be something like ``

Screenshots

Environment (please complete the following information):

• OS: Arch Linux
• Browser Chrome
• Browser Version Latest
• Botpress Version 12.26.8
• NodeJS 12.18.1

[charlescatta]

https://github.com/botpress/botpress/blob/HEAD/modules/channel-web/src/views/lite/store/composer.ts#L10-L11 window.BOT_ID might not be assigned yet when the code is run, I can't find where it is being set