SEADAS: Spectrum View Modifications and Bug Fixes

[knowles]

This modifies the Spectrum View tool:

1. Fixes issues with freeze ups due to large PACE files.
2. Adds progress monitor (PACE files can take several minutes to run)
3. Resets all fields when spectrum view tool is closed (previously the cursor tracking could be left on and bog down other files even though spectrum view was closed)
4. Adds domain and range settings
5. Adds a Preference page

Note: this pull request is dependent on the snap-engine pull request for "SEADAS-angular-NSIDC-11.0.0-04-30-24" or "SEADAS-reproject-11.0.0-04-30-24"

[CLAassistant]

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[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
0 out of 2 committers have signed the CLA.

:x: xuanyang02
:x: knowles
_{You have signed the CLA already but the status is still pending? Let us recheck it.}