[Charts] X-axis labels can collide (or be too visually busy)

[ryanwhitney]

Also see #2608 when working on x-axis labels

Description

With larger ranges x-axis labels can be too visually busy. And in the worst-cases, end up colliding:

Expected Behavior

No response

Browser and OS

No response

Urgency

Medium (don't forget about this)

Notifications

No response