Merge branch '1310-sbgn-source-sink-issue' into 'devel_15.0.x'

Resolve "SBGN > CellDesigner conversion of source/sink produces species with empty names"

See merge request !1217
32 jobs for devel_15.0.x in 20 minutes and 41 seconds (queued for 3 minutes and 30 seconds)
Name Stage Failure
failed
test:frontend Test

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npm ERR! Test failed. See above for more details.
ERROR: Job failed: exit code 1