Fix/icons

[rugeli]

Problem

What is the problem this work solves, including
my guess is that sometime after #325, an SVGO dependency update or a related svg change started applying fill: currentColor as an inline style on <svg>.
Which made some icons look off:

Solution

What I/we did to solve this problem

• added fill: none to button icons and the cert icon in modal and table modules

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)

Steps to Verify:

• add link to preview here
• go to the preview site, hover over icons across pages, especially in disease table and parental line modal. They should render and behave as expected

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[interim17]

nice catch!