interpolation added for TVP. (#30863)
* Update TVP model to interpolate pre-trained image pad prompter encodings
* feat: Add 2D positional embeddings interpolation in TvpVisualInputEmbedding
* added required comments
* Update TVP model to interpolate pre-trained image pad prompter encodings
* feat: Add 2D positional embeddings interpolation in TvpVisualInputEmbedding
* added required comments
* docstring and argument fix
* doc fixes and test case fix suggested in review.
* varibale typo fix
* styling and name fixes for padding interpolation flag.
