Don't enforce minimum time span when bounds are invalid; https://github.com/nasa/openmctweb/issues/325#issuecomment-170755787
Directives
mct-scroll-xis an attribute whose value is an assignable Angular expression. This two-way binds that expression to the horizontal scroll state of the element on which it is applied.mct-scroll-yis an attribute whose value is an assignable Angular expression. This two-way binds that expression to the vertical scroll state of the element on which it is applied.