Cherry-pick 'reconstruct_odd_offset' into '2024.1'

Reconstruct from odd projections: adapt angles to avoid slice being rotated

Closes #498 (closed)

See merge request !440 (merged)

(cherry picked from commit 7bd9ada7)

26cd6820 Clean-up unused functions 982db8a2 Adapt angles so that output slice is not rotated when reconstructing from odd projs 540e4bfb Don't use the same angles for odd and even!