[fix] exclude svg_element function if no svg element in a component

[tomoam]

fixes #6555

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[tanhauhau]

by the same token, shouldn't @element be excluded too if it is a fully svg element?

[Conduitry]

Yeah that was mentioned in the original issue. I think that makes sense, as it's probably not uncommon to have an all-SVG component.

[tomoam]

Thanks for your comments. I'll try to work on it.

[tomoam]

ref: #6555 (comment)

I fixed it up. Please review.