fix actual grpc status code being overridden by auto-cancellation

[rochdev]

What does this PR do?

Fix actual grpc status code being overridden by auto-cancellation.

Motivation

Fixes #2170

[github-actions]

Overall package size

Self size: 2.73 MB
Deduped: 30.37 MB
No deduping: 31.02 MB

Dependency sizes

name	version	self size	total size
@datadog/pprof	1.0.2	8.74 MB	14.46 MB
@datadog/native-metrics	1.4.2	6.61 MB	7.04 MB
@datadog/native-appsec	1.2.1	5.1 MB	5.43 MB
cidr-matcher	2.1.1	224.94 kB	451.39 kB
opentracing	0.14.7	194.81 kB	194.81 kB
@datadog/sketches-js	2.1.0	109.9 kB	109.9 kB
lodash.sortby	4.7.0	75.76 kB	75.76 kB
semver	5.7.1	61.58 kB	61.58 kB
ignore	5.2.0	48.87 kB	48.87 kB
import-in-the-middle	1.3.1	30.44 kB	34.91 kB
istanbul-lib-coverage	3.2.0	29.34 kB	29.34 kB
retry	0.10.1	27.44 kB	27.44 kB
lodash.uniq	4.5.0	25.01 kB	25.01 kB
limiter	1.1.5	23.17 kB	23.17 kB
lodash.kebabcase	4.1.1	17.75 kB	17.75 kB
lodash.pick	4.4.0	16.33 kB	16.33 kB
crypto-randomuuid	1.0.0	11.18 kB	11.18 kB
diagnostics_channel	1.1.0	7.07 kB	7.07 kB
path-to-regexp	0.1.7	6.78 kB	6.78 kB
koalas	1.0.2	6.47 kB	6.47 kB
methods	1.1.2	5.29 kB	5.29 kB
module-details-from-path	1.0.3	4.47 kB	4.47 kB

_{🤖 This report was automatically generated by heaviest-objects-in-the-universe}

[codecov]

Codecov Report

Merging #2339 (4f0faf9) into master (f2325de) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #2339   +/-   ##
=======================================
  Coverage   93.02%   93.02%           
=======================================
  Files         239      239           
  Lines        9241     9245    +4     
=======================================
+ Hits         8596     8600    +4     
  Misses        645      645           

Impacted Files	Coverage Δ
...ckages/datadog-instrumentations/src/grpc/server.js	100.00% <100.00%> (ø)

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