first iteration to scope sdk styles to our components (#47764)

* first iteration to scope sdk styles to our components

* basic css reset for buttons

* clean up duplicated css

* make sdk components use instance font if no font is passed

* cleanin up and remove defaultProps not needed

* fix tests

* adds EMBEDDING_SDK_PORTAL_CONTAINER_ELEMENT_ID

* Update enterprise/frontend/src/embedding-sdk/components/public/MetabaseProvider.tsx

* Update enterprise/frontend/src/embedding-sdk/components/public/MetabaseProvider.tsx

Co-authored-by: Mahatthana (Kelvin) Nomsawadi <me@bboykelvin.dev>

* fix import

* prettier --write

* we don't need theme.fontFamily, added a comment

* rename EMBEDDING_SDK_PORTAL_CONTAINER_ELEMENT_ID to EMBEDDING_SDK_PORTAL_ROOT_ELEMENT_ID

* fix unit test

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Co-authored-by: Mahatthana (Kelvin) Nomsawadi <me@bboykelvin.dev>