[Feature] Allow individual search requests to override the CMR provider parameter

[asjohnston-asf]

Is your feature request related to a problem? Please describe.
I'd like to prototype how a new data set might be integrated with Vertex and the search API. ASF develops new data sets under the ASFDEV provider in https://cmr.uat.asf.alaska.edu. While API deployments integrated with CMR UAT are available, they all perform searches using provider=ASF. In order to evaluate how my new data set appears in search results, I have to run my own copy of the API configured with provider=ASFDEV.

Describe the solution you'd like
Provide a search parameter allowing users to override the CMR provider value in individual search requests.

I see code supporting a cmr_provider query parameter for /services/search/param at https://github.com/asfadmin/Discovery-SearchAPI/blob/devel/SearchAPI/CMR/Query.py#L21 . However, when including that parameter in a search request, I get alidation Error: Unsupported parameter: cmr_provider because the cmr_provider keyword is not including in the input map at https://github.com/asfadmin/Discovery-SearchAPI/blob/devel/SearchAPI/CMR/Translate/input_map.py .

https://api-test.asf.alaska.edu/services/search/param?processingLevel=S1_SLC_BURSTS&output=count&cmr_provider=ASFDEV

Non-production copies of Vertex appear to already support for setting the cmr_provider value in a custom environment, but they also receive an Unsupported parameter error when making such queries to the search api.

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Additional context
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