Unable to toggle between year and month selection when clicking on title

[JLNNN]

Describe the bug
If I click on the title bar of the overlay, I get the javascript error:
Cannot read property 'nativeElement' of undefined

To Reproduce
Steps to reproduce the behavior:

1. installed npm packages as required
2. setup everything as described in docs
3. Click on datepicker input field
4. Click on title
5. See error

Screenshot

Expected behavior
The overlay toggles between the year and months selection.

Versions (please complete the following information):

• OS: macOS Mojave
• Browser: Chrome 84.0.4147.135
• Package Version [e.g. 1.2.3]: 8.0.6 (tried ^8.0.0)
• Angular Version [e.g. 7.x]: 10

Additional context
I tried this on your examples (https://aavanzyl.github.io/ngx-tiny/project/date-picker, Angular Forms - Single Date) and there it happens sometimes, too.

[aavanzyl]

@JLNNN I have updated to angular 10.. I think this was causing the issue a bit, have not yet been able to reproduce this, so still trying to solve this.

[JLNNN]

The same problem exists with v10.0.1.