[Badge] Fix badge issues

[pubiqq]

This PR returns the missing diff between the commit in the master branch and the proposed PR:

• No need to invalidate the badge when clearing an already clear value (as it was in 1.8.0 and before).
• Fix table formatting in BadgeDrawable.md.
• Some small fixes.

[imhappi]

Thanks for the PR as always @pubiqq !

Please note that the suffix name was changed from mtrl_exceed_max_badge_text_suffix to m3_exceed_max_badge_text_suffix intentionally, as we use the mtrl prefix for values that reflect the m2 style, and m3 accordingly for m3.

Will submit the change to stop invalidating the badge when it is already clear, and the table formatting in BadgeDrawable.md

[pubiqq]

Please note that the suffix name was changed from mtrl_exceed_max_badge_text_suffix to m3_exceed_max_badge_text_suffix intentionally, as we use the mtrl prefix for values that reflect the m2 style, and m3 accordingly for m3.

*_exceed_max_badge_text_suffix is used in both m2 and m3 styles, so, I think, it's not correct to use the m3 prefix for it.

[imhappi]

While used for both m2 and m3 styles, this value was introduced in m3 and reflects our current m3 style which is why it uses the m3 prefix.

[pubiqq]

But it doesn't reflect the m3 style specifically, it's not even used in m3 by default.
Anyway, it's not that crucial to me, so do as you see fit.