Litellm noma guardrail support images (#16199)

* noma support v2 api and images with during call

* supporting streams and images with texts

* Supporting text now

* annonymization works

* removing function

* fixing noma.py

* all old tests pass

* adding new tests

* removing changes

* Fixing application id headers

* fix whitespace

* deleting unused imports

Author: dean-zavad