CLSA-2026-1783345013 ImageMagick: Fix of 8 CVEs

CVE-2026-46522: add the missing length==0 checks to the MIFF decoder BZ2/LZMA/zlib decompression paths to reject empty compressed chunks and prevent an infinite loop CPU exhaustion on crafted files - CVE-2026-46523: mark the MSL coder as not supporting direct blob I/O...