feat: Add new Calendar prop: doShowMoreDrillDown

[teryngull]

Setting popup={false} doesn't let you control the onShowMore function properly as described in #1147 and #1527 , because it only goes to the drill down view. In order to fix this, I've added another prop called doShowMoreDrillDown that is defaulted to true. If true, it will do the same thing it currently does, and go to the drill down view. However, if you set this prop to false, it will instead just trigger the onShowMore function where you can then show your own customized popup as desired.
Fixes #1147
Fixes #1527

[teryngull]

@jquense can you take a look at this when you get a chance? we'd love to get this in so we can properly control and do our own 'show more' popup without also performing the drill down to the day view.

[thomasmi]

I looked at this PR and it seems like an unintrusive change, by default the code works the same and the new behavior is opt-in. My team would also greatly benefit from this change as we need to use a custom dialog. How can we get this merged?

[pietrofxq]

@teryngull please update commit to follow conventional commit standard and we can merge

[teryngull]

@pietrofxq I had adjusted the commit message accordingly. Please let me know if I need do anything else. Thank you!

[github-actions]

🎉 This PR is included in version 0.33.5 🎉

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