Add check if motion is in sequence #169
Merged
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Previously, when a motion was added to a sequence, the handle was invalidated by incrementing the version. This prevented the internal motion from being accidentally manipulated, but it caused problems such as the debugger being unable to track it because the previous handle was invalid.
Instead, I added a process to check whether all operations are for motions within a sequence and make them inaccessible to the user. This allows us to display an appropriate error without having to manipulate the handle version.