Merged in task/dspace-cris-2023_02_x/DSC-2848 (pull request DSpace#4420)

DSC-2848: [2023] Improve Jisc OpenPolicyFinder (OPF)

Approved-by: Vincenzo Mecca

Author: Micheleboychuk

src/assets/i18n/en.json5

@@ -2574,7 +2574,7 @@
 
   "form.entry.source.zdb": "",
 
-  "form.entry.source.jisc": "- Jisc Open policy finder",
+  "form.entry.source.opf": "- Jisc Open Policy Finder",
 
   "form.remove": "Remove",