ARROW-17223: [C#] DecimalArray incorrectly appends values greater than Decimal.MaxValue / 2 and less than Decimal.MinValue / 2

[asmirnov82]

No description provided.

[github-actions]

https://issues.apache.org/jira/browse/ARROW-17223

[github-actions]

⚠️ Ticket has not been started in JIRA, please click 'Start Progress'.

[eerhardt]

LGTM. Thanks for the fix and the fixups!

I'll merge this once the CI is green.

[ursabot]

Benchmark runs are scheduled for baseline = 9a00777 and contender = f645ffa. f645ffa is a master commit associated with this PR. Results will be available as each benchmark for each run completes.
Conbench compare runs links:
[Failed ⬇️12.5% ⬆️0.0%] ec2-t3-xlarge-us-east-2
[Finished ⬇️0.34% ⬆️0.0%] test-mac-arm
[Finished ⬇️0.0% ⬆️0.0%] ursa-i9-9960x
[Finished ⬇️0.21% ⬆️0.0%] ursa-thinkcentre-m75q
Buildkite builds:
[Failed] f645ffa2 ec2-t3-xlarge-us-east-2
[Finished] f645ffa2 test-mac-arm
[Finished] f645ffa2 ursa-i9-9960x
[Finished] f645ffa2 ursa-thinkcentre-m75q
[Failed] 9a007779 ec2-t3-xlarge-us-east-2
[Finished] 9a007779 test-mac-arm
[Finished] 9a007779 ursa-i9-9960x
[Finished] 9a007779 ursa-thinkcentre-m75q
Supported benchmarks:
ec2-t3-xlarge-us-east-2: Supported benchmark langs: Python, R. Runs only benchmarks with cloud = True
test-mac-arm: Supported benchmark langs: C++, Python, R
ursa-i9-9960x: Supported benchmark langs: Python, R, JavaScript
ursa-thinkcentre-m75q: Supported benchmark langs: C++, Java

[ursabot]

['Python', 'R'] benchmarks have high level of regressions.
ec2-t3-xlarge-us-east-2