* feat: Use session.id to specify session for api_set_session_video_url
* feat: Use session.id to specify session for api_upload_bluesheet
* refactor: Add audio/video stream and onsite tool URLs to Session model
* refactor: Get onsite tool/stream URLs for agenda from Session
* refactor: Use Session methods for onsite tool/stream a few more places
* refactor: Move hard-coded meetecho URLs into settings.py
* feat: Add has_onsite_flag to Session
* chore: Set has_onsite_tool for sessions that had meetecho UrlResources
* fix: Only show onsite tool URLs when Session.has_onsite_tool is True
* test: Update test_api_upload_bluesheet to test deprecated version
* fix: Fix test failure in api_upload_bluesheet view
* test: Add test of new api_upload_bluesheet view
* style: Apply Black style to test_api_upload_bluesheet
* fix: Fix test failures in api_upload_bluesheet()
* test: Update test_api_set_session_video_url to test deprecated version
* fix: Fix test failure in api_set_session_video_url view
* test: Add test of new api_set_session_video_url view
* style: Apply Black styling to new test
* fix: Fix test failures in api_set_session_video_url view
* test: Fix test_meeting_agenda; set has_onsite_tool in SessionFactory
* feat: Add has_onsite_tool to Session list in admin
* feat: Add has_onsite_tool flag to SessionDetailsForm
* feat: Add has_onsite_tool flag to sreq
* feat: Show has_onsite_tool flag on secr view for a submitted request
* feat: Only prompt for has_onsite_tool in sreq for non-wg type groups
* fix: Clean up styling of sreq view a bit
* chore: Renumber migrations
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