Alignment: blocks using alignment should apply data-align consistently

[designsimply]

Moved from #4010 h/t @bradyvercher.

Edit Wrapper Data Attribute

Most of the blocks apply a data-align attribute to the edit wrapper with the alignment value similar to this:

getEditWrapperProps( attributes ) {
    const { align } = attributes;
    if ( 'left' === align || 'right' === align || 'wide' === align || 'full' === align ) {
        return { 'data-align': align };
    }
}

Center aligning never seems to change the value of the data attribute for the edit wrapper despite it being a valid value for most blocks. It seems like this should be applied consistently in case themes treat aligncenter different than alignnone or an empty value.

[tofumatt]

Also, the fact that we write if ( 'left' === align || 'right' === align || 'wide' === align || 'full' === align ) { is quite repetitive; we should really be using a constant of allowed align values and checking against it.

[aduth]

I'd consider the root underlying issue here to be that blocks should not be implementing this alignment behavior themselves, but rather opting in to the common implementation (aligns support, also noted as "Common Block Functionality" in Roadmap).

Duplicate of #13780