ID 375607 - Channels limited via the schematic can exceed their limits when keyed

Problem summary
Channels limited via the schematic can exceed their limits when keyed. The channels in the item properties will stop increasing/decreasing, but the keyframe value in the graph editor will continue to increase or decrease.

Customer reported version
modo.12.1v1

Customer reported platform
windows10

Steps to reproduce
1) Open the attached scene.
2) Select the "Slider" item.
3) Select the "Animate" Layout tab.
4) Press "Shift + w" to key the position channels.
5) Press "f7" to open the graph editor.
6) Press "w" to enable the move tool.
7) move the slider, allowing the mouse cursor to exceed the slider box bounds.
Result: The position channels on the item will not exceed 500mm. However, the keyframe values on the graph editor will exceed 500mm.

Workaround
Unknown. 

Reproduced by support
This bug has been reproduced in:
12.2v1 - Windows 10, OSX 10.13.5
12.1v2 - Windows 10
12.0v1 - Windows 10
11.2v3 - Windows 10
11.2v1 - Windows 10
11.1v1 - Windows 10
11.0v3 - Windows 10
10.2v4 - Windows 10, OSX 10.13.5

Earliest version tested
10.2v4 - Windows 10 - This issue appears to be in all versions of the product

Expected behaviour
Keys should not exceed values shown in the channel box.

Actual behaviour
Keys exceed the value shown in the channel box, which skews interpolation between keyframes.