[DW-29] stop using CloneAs in GetPixelColor#124

first-ironsoftware merged 1 commit intodevelopiron-software/IronSoftware.System.Drawing:developfrom

DW-29-GetPixel-OutOfMemoryExceptioniron-software/IronSoftware.System.Drawing:DW-29-GetPixel-OutOfMemoryExceptionCopy head branch name to clipboard