Update replaceCharacters function

[hi2gage]

Description

This PR adds the ability to skip the selection update. This allows for multiple character sets to be replaced before updating the selection.

Related Issues

• ✨ Update replaceCharacters function to be able to skip Selection update until after full change #86
• ✨ Move selected lines up and down CodeEditSourceEditor#259

Checklist

• I read and understood the contributing guide as well as the code of conduct
• The issues this PR addresses are related to each other
• My changes generate no new warnings
• My code builds and runs on my machine
• My changes are all related to the related issue above
• I documented my code

Screenshots

[hi2gage]

@thecoolwinter here is the first PR.