Added parameter to `sd.concatenate` to control whether to merge coordinate systems with the same name#919

LucaMarconato merged 13 commits intomainscverse/spatialdata:mainfrom

bugfix/issue918-sdconcatenate-doesnt-apply-suffix-to-coordinate-systemsscverse/spatialdata:bugfix/issue918-sdconcatenate-doesnt-apply-suffix-to-coordinate-systemsCopy head branch name to clipboard