Incorrect validation in the Output name pattern field

[sukhova]

Environment

Jmix version: 2.4.2
Jmix Studio plugin version: 2.4.2-243
IntelliJ version: IntelliJ IDEA 2024.3.1.1 (Community Edition)

Steps To Reproduce

1. Launch the application with the Reports add-on installed.
2. Create a new report.
3. Enter a name for the report.
4. Switch to the Templates tab and click the Create button.
5. Fill in the Template code, Template file and Output type fields
6. Click the OK button

Current Behavior

Although the Output name pattern field is optional, it is still highlighted in red and a validation message is shown. This template cannot be saved.

[glebfox]

See io.jmix.reportsflowui.view.validators.OutputFileNameValidator. Also check #2545 p.3