month picker/year picker bug in calendar

[yjseo29]

• Framework7 version: 8.3.0
• Platform and Target: Cordova Android & ios
• Live Link or CodeSandbox: PREFERABLY (IF YOU WANT YOUR ISSUE TO BE RESOLVED ASAP). You can start from forking the following CodeSandbox template: CodeSandbox

Describe the bug

If you press the "done" button on the monthPicker&yearPicker in the sheet modal calendar, the sheet will be closed.

To Reproduce

Steps to reproduce the behavior:

1. Open sheet modal calendar
2. Click on monthPicker or yearPicker
3. Click the “done” button
4. closed sheet modal calendar

Expected behavior

The popover should close.

Actual Behavior

The sheet modal calendar closes.

Additional context

You need to remove the "sheet-close" class from the "done" button.