AVRO-4162: [csharp] Fix AvroDecimal.CompareTo for values with different scales#3744

ChristophMajcenAtXxxlutz wants to merge 2 commits intoapache:mainapache/avro:mainfrom

ChristophMajcenAtXxxlutz:fix/dotnetAvroDecimalCompareChristophMajcenAtXxxlutz/avro:fix/dotnetAvroDecimalCompareCopy head branch name to clipboard