[Backport release-3_42] Always fallback to default coordinate operations when bounding box transfrom fails #60767
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…ansfrom fails Bounding box transforms are inherently approximate, so we can safely just fallback to the proj default operation if the user-specified operation fails when transforming a bounding box. This fixes cases where the user-specified operation involves a grid shift and the bounds to transform falls outside of the grid. In this case proj_trans_bounds fails. By falling back to a proj default operation and re-trying then we get a valid approximate transformation of the bounding box. Fixes map rendering issues when users are using a grid shift operation to transform layers to map CRS Fixes #60737 Fixes #60753
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Backport #60759
Authored by: @nyalldawson