FLS-1423 - Use 'Save' not 'Save and add another' on button if not possible to add another

Author: wjrm500

e2e-test/cypress/e2e/designer/multiInputFieldEdit.feature

@@ -155,6 +155,7 @@ Feature: Multi Input Field Edit
     When I enter "First item" for "Item name"
     And I click "Save and add another"
     When I enter "Second item" for "Item name"
-    And I click "Save and add another"
+    And I click "Save"
     Then I should not see the "Save and add another" button
+    And I should not see the "Save" button
     And I should see the "Save and continue" button

runner/src/server/plugins/engine/page-controllers/RepeatingFieldPageController.ts

@@ -241,6 +241,13 @@ export class RepeatingFieldPageController extends PageController {
             };
 
             response.source.context.maxMultiInputFieldRows = this.inputComponent.options?.maxMultiInputFieldRows;
+
+            const maxRows = this.inputComponent.options?.maxMultiInputFieldRows;
+            const currentRowCount = rows ? rows.length : 0;
+
+            if (maxRows && (currentRowCount >= maxRows - 1)) {
+                this.saveText = this.model?.def?.metadata?.isWelsh ? "Cadw" : "Save";
+            }
         }
     }