Instead save a very small object with the string in it and draw every
time. Drawing a single letter is not noticibly slower than blitting a
bitmap of the same size. It may even be faster, and certainly saves RAM.

By computing same size for messages and for overview

But may delay by more than the interval this way

If it's constantly evicting things, that's bad for performance too.

Otherwise if one is disabled we bail out of call integration and lose features.

And don't pass over for sortedTime or else sorting the list takes way
too long.

Show only the added emoji and nothing on removal

That data model isn't well suited for allowing retractions to pull
things back out of it, so we'll rely on the aggregation approach for
these instead.

https://stackoverflow.com/questions/76631086/why-am-i-getting-illegalargumentexception-class-xxxx-isnt-parameterized