ENH: override SetNumberOfComponentsPerPixel to implement a default behavior for band specific metadata copy

BUG: use the PCA transformation matrix instead of the ICA transformation matrix to determine the output size

REFAC: move image list objects to a new module, because they now depend on OTBMetadata, which depends on OTBObjectList

Merge branch '2024-metadata-refac' of https://gitlab.orfeo-toolbox.org/orfeotoolbox/otb into 2024-metadata-refac

Tests are WIP

Tests are still WIP.

Spectral angle classification

Closes #2012

See merge request !708

REFAC: Implement the methods ToKeywordlists, ToBandKeywordlists and FromKeywordlists for the class Metadata

Update the date in the copyright

See merge request orfeotoolbox/otb!710

Add "epsg" filename extension

Closes #1889

See merge request orfeotoolbox/otb!709