fix #12825

Set style attribute on svg to use `StyleValue`

This reverts commit e1342df7.

reopen #12802
close #12821
close #12822

close #12696

fix #12819

fix #12802

Note this commit moves the initialization of injections and props to
before the invocation of beforeCreate. This should not cause breakage
because props and inject normalization has always been done before
beforeCreate, so code that attempts to modifiy props/inject options
inside beforeCreate should have never worked.

fix #12719

fix #12780

In Vue 3, pruning is only done for TS to produce valid code and
tree-shaking is done by inlining the template for production.
In Vue 2 we do not inline the template in production, so return binding
pruning is needed in all cases.

fix #12765

fix #12758

fix #12812

fix #12799
close #12798

fix #12589

fix #12755

fix #12718

fix #12705

fix #10733

fix #12743

close #12730

fix #12742

close #12748

fix #12703

fix #12701

functional component overloads should be moved last

fix #12736

fix #12731