Fix field name translations failing after sort

Fixes #5413

.changeset/lemon-horses-hide.md

@@ -0,0 +1,5 @@
+---
+'@directus/app': patch
+---
+
+Fixed issue where custom field translations would be lost in session when reordering the fields in settings

app/src/stores/fields.ts

@@ -216,6 +216,8 @@ export const useFieldsStore = createStore({
 
 						return field;
 					});
+
+					this.translateFields();
 				}
 			} catch (err) {
 				// reset the changes if the api sync failed