See https://github.com/openedx/edx-platform/issues/34702
This necessarily involves switching from calling
`StaticContent.is_versioned_asset_path` to determine whether to handle the
request to having a hardcoded urlpattern. I've made the choice to hardcode
the other two patterns similarly rather than using imported constants. The
mapping of URL patterns to database records should be explicit (even though
we don't expect those constants to change out from under us.)
I've renamed the middleware rather than choosing a new name for the
implementation because there are other references in tests and other code.
This was the smaller change.
A note on HTTP methods: The middleware currently completely ignores the
request's HTTP method, so I wanted to confirm that only GETs were being
used in practice. This query reveals that 99.8% of requests that this
middleware handles are GET, with just a smattering of PROPFIND and OPTIONS
and a tiny number of HEAD and POST:
```
from Transaction select count(*) facet request.method
where name = 'WebTransaction/Function/openedx.core.djangoapps.contentserver.middleware:StaticContentServer'
since 4 weeks ago
```
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