Tiled 404 across a few unexpected paths

[davramov]

When accessing the Browse page, it sends requests to Tiled, but some of them are unexpected:

• /api/v1/metadata/beamlines
• /api/v1/metadata/browse/generated_data
• /api/v1/metadata/browse

INFO:     127.0.0.1:50211 - "GET /api/config/servers HTTP/1.1" 200 OK
[ee15147ace8969a7] 127.0.0.1:50213 (singleuser) - "GET /api/v1/search/?fields=count HTTP/1.1" 200 OK
INFO:httpx:HTTP Request: GET http://127.0.0.1:8010/api/v1/search/?fields=count "HTTP/1.1 200 OK"
[b0f6974abdd21d0b] 127.0.0.1:50213 (singleuser) - "GET /api/v1/search/?page[offset]=0&fields= HTTP/1.1" 200 OK
INFO:httpx:HTTP Request: GET http://127.0.0.1:8010/api/v1/search/?page%5Boffset%5D=0&fields= "HTTP/1.1 200 OK"
INFO:     127.0.0.1:50212 - "GET /api/tiled/list?server_uri=http%3A%2F%2F127.0.0.1%3A8010&path= HTTP/1.1" 200 OK
[460b6e8de92e79a4] 127.0.0.1:50213 (singleuser) - "GET /api/v1/metadata/browse HTTP/1.1" 404 Not Found
INFO:httpx:HTTP Request: GET http://127.0.0.1:8010/api/v1/metadata/browse "HTTP/1.1 404 Not Found"
[34cbcba825363868] 127.0.0.1:50213 (singleuser) - "GET /api/v1/metadata/beamlines HTTP/1.1" 404 Not Found
INFO:httpx:HTTP Request: GET http://127.0.0.1:8010/api/v1/metadata/beamlines "HTTP/1.1 404 Not Found"
[e51311b955077ecf] 127.0.0.1:50213 (singleuser) - "GET /api/v1/metadata/beamlines HTTP/1.1" 404 Not Found
INFO:httpx:HTTP Request: GET http://127.0.0.1:8010/api/v1/metadata/beamlines "HTTP/1.1 404 Not Found"
[40d2a5f55cbd4f62] 127.0.0.1:50213 (singleuser) - "GET /api/v1/metadata/beamlines HTTP/1.1" 404 Not Found
INFO:httpx:HTTP Request: GET http://127.0.0.1:8010/api/v1/metadata/beamlines "HTTP/1.1 404 Not Found"
[58ba4b6f084c94f8] 127.0.0.1:50213 (singleuser) - "GET /api/v1/metadata/browse HTTP/1.1" 404 Not Found
INFO:httpx:HTTP Request: GET http://127.0.0.1:8010/api/v1/metadata/browse "HTTP/1.1 404 Not Found"
[450c18dd2ffc07e0] 127.0.0.1:50213 (singleuser) - "GET /api/v1/search/?fields=count HTTP/1.1" 200 OK
INFO:httpx:HTTP Request: GET http://127.0.0.1:8010/api/v1/search/?fields=count "HTTP/1.1 200 OK"
INFO:     127.0.0.1:50219 - "GET /api/connect/summary?kind=tiled&server_uri=http%3A%2F%2F127.0.0.1%3A8010 HTTP/1.1" 200 OK