JPX decoder 20-25% speed optimization
Merge pull request #4568 from p01/JPX_optimization

Jpx optimization
Build the text layer geometry on the worker.
Merge pull request #4570 from brendandahl/text-layer-refactor-squash

Build the text layer geometry on the worker.
Fixes text-selection example
Merge pull request #4587 from yurydelendik/textselectexample

Fixes text-selection example