Merge branch '2024-metadata-refac' into metadata-sentinel1

Data/Baseline/OTB/Files/ioTuImageMetadataAppendTest.txt

Data/Baseline/OTB/Files/ioTuImageMetadataCompactTest.txt

Data/Baseline/OTB/Files/ioTuImageMetadataMergeTest.txt

Data/Baseline/OTB/Files/ioTuImageMetadataSliceTest.txt

...line/OTB/Files/ioTuImageMetadataToFromKeywordlistTest.txt

Modules/Core/ImageBase/include/otbImageIOBase.h

Modules/Core/ImageBase/src/otbImageCommons.cxx

Modules/Core/ImageBase/src/otbImageIOBase.cxx

Modules/Core/Metadata/test/otbImageMetadataTest.cxx

Modules/IO/IOGDAL/src/otbGDALImageIO.cxx

Modules/IO/ImageIO/include/otbImageFileReader.hxx

Modules/IO/TestKernel/include/otbTestTools.h