Exposes hydration functions from seg and rt extensions

[rodrigobasilio2022]

This PR is related to the issue #3356, and exposes hydration functions to be used in an IDC mode that auto hydrates derived series (SEG, RTSTRUCT, SR) when user opens the main series.

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[codecov]

Codecov Report

Merging #3585 (b11a897) into master (5d43542) will not change coverage.
Report is 2 commits behind head on master.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3585   +/-   ##
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  Coverage   42.58%   42.58%           
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  Files          80       80           
  Lines        1463     1463           
  Branches      340      340           
=======================================
  Hits          623      623           
  Misses        675      675           
  Partials      165      165           

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[sedghi]

This does not belong here. This should be the mode in the IDC mode/extension repo (not fork, just mode/extension repo that you should have similar to what radicalImaging have here

Only pieces of it that relates to the core should be put as the PR

[rodrigobasilio2022]

Understand that. Do you think the file modes/autoload/src/loadDerivedDisplaySets.ts could be leaved in main repo to allow auto hydration or no? The plan was to merge only the necessary files. The mode created is only for show the functionality and will be removed before merge