Handle null isItacOptimized

src/store/index.js

@@ -586,7 +586,7 @@ export const useMainStore = defineStore({
             this.order.insuranceCoverage.coverageType = type;
         },
         updateIsItacOptimized(isItacOptimized) {
-            this.order.insuranceCoverage.isItacOptimized = isItacOptimized;
+            this.order.insuranceCoverage.isItacOptimized = isItacOptimized || false;
         },
         registerClaim() {
             const nonNumberCharRegex = /[^0-9]/g;

src/store/store.spec.js

@@ -2085,4 +2085,21 @@ describe('Store', () => {
             expect(store.order.payment.paypalToken).toEqual(paypalToken);
         });
     });
+
+    describe.each([
+        [true, true],
+        [false, false],
+        [false, null]
+    ])('updateIsItacOptimized', (expected, isItacOptimized) => {
+        test(`sets isItacOptimized to ${expected} when passed ${isItacOptimized}`, () => {
+            // Arrange
+            store.updateIsItacOptimized(isItacOptimized);
+
+            // Act
+            const result = store.order.insuranceCoverage.isItacOptimized;
+
+            // Assert
+            expect(result).toBe(expected);
+        });
+    });
 });