Fix shift particles protocol #978
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The shift particles protocol was producing unexpected results, as the volumes reconstructed from it were not appearing in the displaced position selected from the form/wizard.
These new changes force the transformation matrices assigned to the particles to shift the reconstruction volume correctly. The new matrices consider both the case of modifying only the transformation matrices and the case of applying the shift to the particles.
NOTE: When applying the shift to the images, only X and Y shifts will be applied. Shifts associated with the Z axis will be stored in the rotation matrix.