perf: Remove allocations from image-renderer #2962
Merged
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===:clipboard: PR Checklist :clipboard:===
==================
See excalibur bunnymark https://github.com/excaliburjs/excalibur-bunnymark
This PR removes allocations and makes several perf improvements that DOUBLES our performance on the bunnymark
New Perf Results
~50fps @ 20,000 sprites.
~30fps @ 35000 sprites
Previous Perf Results on Excalibur main
~25fps @ 20000 sprites
~15fps @ 35000 sprites