Merge pull request #1165 from ral-facilities/modify-catalogue-item-ed… #4558

Job	Run time
End-to-End (with mock data) Tests	7m 10s
End-to-End (with api) Tests	7m 40s
Lint & Unit Tests	8m 27s
Docker	1m 15s
Bundle Analysis	56s
	25m 28s

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