MAN-633: Allow filtering data products by project

Zayd Osmanrequested to merge
man-633-get-project-data into development

Two notable additions are made in this MR:

  1. Allow filtering data products by project. For now this is achieved by filtering with the DACHS TAP server obscore dataproduct_subtype field.
  2. Obtain and emit the locations of data products asynchronously. This allows responsiveness to be maintained by returning the TAP results as soon as possible without waiting for the (potentially multiple) separate data location request to the Data Management API to complete.
Edited by Zayd Osman

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