Load Original metadata

[jburel]

Strategy to load and parse the original metadata should be added to the gateway
See https://github.com/ome/omero-insight/blob/master/src/main/java/org/openmicroscopy/shoola/env/data/OmeroMetadataServiceImpl.java#L2519
and https://github.com/ome/omero-insight/blob/master/src/main/java/org/openmicroscopy/shoola/env/data/util/OriginalMetadataParser.java

Background https://forum.image.sc/t/metadata-lost-when-uploaded-to-omero-and-opened-back-in-fiji/53831/12

[imagesc-bot]

This issue has been mentioned on Image.sc Forum. There might be relevant details there:

https://forum.image.sc/t/metadata-lost-when-uploaded-to-omero-and-opened-back-in-fiji/53831/16