Make Avivator GEDA and sniffer for ome.tiff datatype

[qiagu]

What did you do?

• [describe the proposed changes]
• Update ome.tiff datatype and add external display application.

Why did you make this change?

(Cite Issue number OR provide rationalization of changes if no issue exists)
(If fixing a bug, please add any relevant error or traceback)

How to test the changes?

(select the most appropriate option; if the latter, provide steps for testing below)

• I've included appropriate automated tests.
• This is a refactoring of components with existing test coverage.
• Instructions for manual testing are as follows:
  1. [add testing steps and prerequisites here if you didn't write automated tests covering all your changes]

License

• I agree to license these contributions under Galaxy's current license.
• I agree to allow the Galaxy committers to license these and all my past contributions to the core galaxy codebase under the MIT license. If this condition is an issue, uncheck and just let us know why with an e-mail to galaxy-committers@lists.galaxyproject.org.

For UI Components

• I've included a screenshot of the changes

[qiagu]

@mvdbeek Please have a look at this.

[qiagu]

@galaxybot test this

[github-actions]

This PR was merged without a "kind/" label, please correct.

[qiagu]

@mvdbeek Thanks a lot for fixing the issue and merging this PR.