Simple Dissolve - Big code clean up. Bundles extensions together, fixes .debug …

[jardicc]

…file, fixes background layer detection, replaces custom progress bar with native progress bar, removes useless code and files, uses global environmental variables to store preview data

Submit a pull request

CLA

• [x] I have signed the Adobe CLA (required).

Topic

This is a pull request for:

• [x] A documentation contained within this repo.
• [x] A sample contained within this repo.
• [ ] A new sample to be included in this repo.
• [ ] Something new that I have already discussed with Adobe in a GitHub issue. Issue link:

Versions

• [x] CEP version(s) tested [must be 8.x+ for this repo]:
• [x] Supported/tested CC app(s) and version(s): CC 2018+ You can try to to make it work even in PS 2015.5 if you want.

Description of the pull request

• Needs to be more tested for any possible cases in ExtendScript
• Comments and Readme need to be check for grammar.

[dkstevekwak]

@jardicc Thanks for your contribution. PR merged.