Chat-Notification adjustments

[Idrinth]

From Keyki:

• option to remove text for chat-notification
• option to reduce size of logo

[Idrinth]

maybe also something foryou, @Algareb ? should be relatively simple, mostly reading up the specs of notifications

[Algareb]

Sry for beeing late with an answer, I think that i will be able to take a look on it this week.