feat: support temporary views in DataFrameTableProvider

[r1b]

Which issue does this PR close?

• Closes Enhance DataFrame table provider to support temporary views #18026

Rationale for this change

This makes it possible to support temporary views in datafusion-python without code duplication.

Ref: apache/datafusion-python#1267

What changes are included in this PR?

• Add new public function DataFrame::into_temporary_view
• Update DataFrameTableProvider with a new member that determines the table_type
• Add a test

Are these changes tested?

Yes, see added test register_temporary_table

Are there any user-facing changes?

Yes, there is a new public function DataFrame::into_temporary_view

[Jefffrey]

I think this looks fine to me, but would be good if @timsaucer could put some eyes on this too

[timsaucer]

Looks pretty good. Thanks for taking this on. Just one question, but I think it's simple.

[alamb]

I was trying to keep the code flowing and I had this PR opened so I took the liberty of merging this PR up from main and pushing a commit to remove the new enum

[r1b]

Thanks @alamb LGTM

[alamb]

Thanks @r1b and @timsaucer and @Jefffrey