PolarAxes data representation

The Transform property has better consistency:

• The Transform property now considers custom bounds, not only input data bounds.
• A new PolePosition property has been added to define the pole position, and the Translation property is no longer used to determine it.

When the min and max angles should be computed (CustomAngles off), we have different cases regarding the pole position:

• when the pole is in inside the bounds, this leads to a 0-360 degrees polar axes.
• when the pole is outside the bounds, angles are computed to exactly cover the bounds.
• when the pole is on a boundary, we now do the actual computation too.

Finally, different UI parts are now grouped with related properties.

PolarGrid and LegendGrid View annotations

The LegendGrid and the PolarGrid annotations are only meaningful when the render view has ParallelProjection set to on. Turning ParallelProjection off now hide those annotations. See the issue #22934.