UIIN-3127: Display informative error message when editing same instan…

…ce, holdings, item in two tabs (#2672)

(cherry picked from commit c0f1176)

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Change history for ui-inventory
 
+## [12.0.5] (IN PROGRESS)
+* Display informative error message when editing same instance, holdings, item in two tabs. Fixes UIIN-3127.
+
 ## [12.0.4](https://github.com/folio-org/ui-inventory/tree/v12.0.4) (2024-12-03)
 [Full Changelog](https://github.com/folio-org/ui-inventory/compare/v12.0.3...v12.0.4)
 

src/utils.js

@@ -702,7 +702,7 @@ export const parseHttpError = async httpError => {
   let jsonError = {};
 
   try {
-    if (contentType === 'text/plain') {
+    if (contentType.includes('text/plain')) {
       jsonError.message = await httpError.text();
     } else {
       jsonError = await httpError.json();