Add Empty Translation Checks

[PickleFace5]

On robot initialization, the console output would have the following warning occasionally:

Error at `anonymous-namespace'::WPILibMathShared::ReportErrorV: Error: x and y components of Rotation2d are zero

After some print debugging, I found this was caused by forceVec being an empty Translation2d. This simply adds a check for the forceVec Translation2d to avoid sending warnings to the console.

This only updates PPLib Python, I'm unaware if this issue is present in other languages.

[mjansen4857]

This needs to be added to Java and C++ as well. There is also an identical location that needs this check in the reverse accel pass method. Also, can you check for a 0,0 translation by checking if the norm is <= 1E-6 instead of equality? This will match the implementation of this check for other locations in the library.

[PickleFace5]

I have added checks to Java and C++ with the recommended implementation. It has also been added to the reverse accel pass as well.

[mjansen4857]

Looks like build is failing just for some unit stuff. You just need to add an extra () after the C++ Norm() calls. So translation.Norm()() <= 1E-6

To fix formatting, you can do ./gradlew spotlessApply

[mjansen4857]

Also, can you replace usages of new Rotation2d() with Rotation2d.kZero in Java? Helps reduce memory pressure a bit.

[PickleFace5]

@mjansen4857 added your requested changes. Hopefully that was the only syntax error for C++, I'm having issues with VS Code finding the header files. 😅