Keyframes) takes hidden keys into account when calculating zoom
Note that with the 'View Only Selected Curve Keyframes' option enabled,
it is also possible to select [box/circle/lasso] hidden/non-visible
keyframes. Think this should never happen, but that is for a later
commit (along some deduplication of animdata filtering code)
Reviewed By: Severin, Sybren
Maniphest Tasks: T67873
Differential Revision: https://developer.blender.org/D6237
355905cb02