Add utm params to doc link in expression editor (#48852)

* Add helper to add utm params to url

* Add utm param to getDocsUrl

* Allow passing utm to docs url

* Add utm parameters to expression widget docs url

* Add useUrlWithUtm hook

* Make more utm props optional

* Use the utm hook and docs hook instead of adding utm tags manually to urls

* Simplify getDocsUrl

* Update unit tests for expression editor to contain utm params

* Only add parameters if they have a value

* Fix unit test

* Fix unit test

* Simplify docs url

* Use useDocsUrl on embedding page

* Use named arguments in useDocsUrl