refactor(core): add null checks on handle resolution

Author: mchappell

packages/core/src/ui/components/DestinationAddressInput/DestinationAddressInput.tsx

@@ -82,7 +82,7 @@ export const DestinationAddressInput = ({
       [HandleVerificationState.INVALID]: <ExclamationCircleOutlined className={styles.invalid} />,
       [HandleVerificationState.VERIFYING]: undefined
     };
-    const handleIcon = handleIcons[handle] || undefined;
+    const handleIcon = (handle && handleIcons[handle]) || undefined;
 
     const shouldClearButtonBeDisabled =
       (!valid && !empty) ||
@@ -105,7 +105,10 @@ export const DestinationAddressInput = ({
 
   const children = useMemo(() => {
     if (handle === HandleVerificationState.CHANGED_OWNERSHIP) {
-      return value.name && getInputLabel(`$${value.handleResolution.handle}`, value.handleResolution.cardanoAddress);
+      return (
+        value.name &&
+        getInputLabel(`$${value.handleResolution?.handle}`, value.handleResolution?.cardanoAddress.toString() ?? '')
+      );
     }
     return value.name && getInputLabel(value.name, value.address);
   }, [handle, value]);

packages/core/src/ui/components/EditAddressForm/EditAddressForm.tsx

@@ -87,7 +87,7 @@ export const EditAddressForm = ({
                     invalid={!isAddressFieldValid}
                     label={translations.address}
                     dataTestId="address-form-address-input"
-                    customIcon={!isAddressFieldValidating && isAddressHandle && renderSuffix()}
+                    customIcon={(!isAddressFieldValidating && isAddressHandle && renderSuffix()) || undefined}
                     loading={isAddressFieldValidating}
                   />
                 </Form.Item>