fix #2608

[Yue-plus]

Fixed 123 SVG ICONS that might have color confusion when used on the same component

[canaleal]

This is really good, but it will require additional reviewers. It might also mess up the build process.

[weh]

I like the idea of using the filename for ID and other references. But in the current version of the PR the icons would get converted back to multi-line with no newline at the end. Also it looks like some icons are incorrect, like angular:

it looks like the file is missing the closing </radialGradient> tag.

Another one in bootstrap:

i did not check all icons.