GetReference should require a meta.Interface

[derekwaynecarr]

As part of this PR:

#7093

It was noted that GetReference should have more information injected in order to build a reference without a hard-coded scheme.

GetReference needs to be modified to allow downstream consumption that runs with alternate Scheme. This impacts the ability to create Events around extended Kinds.

[derekwaynecarr]

/cc @smarterclayton

[bgrant0607]

Related: #1490

[smarterclayton]

Closing due to age, reopen if this is important.