144 be able to save correlation matrix widget configuration

[FadyCoding]

Describe your changes

Combined two issues into one ticket. Initial issue fixed by implementing getters and setters for the correlation matrix widget so it is saved successfully. Second issue was to update the configuration interface when saved.

Screenshots (if appropriate):

Issue ticket number and link

144
#144

Checklist before requesting a review

• I have performed a self-review of my code
• I have increased the version number in the frontend/package.json and backend/swagger.yaml files
• I have checked that Black, Flake8, Prettier and Cspell are passing

[CLAassistant]

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[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.

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[Tomansion]

Good