fix(sdk): Format error messages.

[c-r33d]

Proposed Changes

1.) Use colon delimiter for error reporting instead of errors.Join() on each KAO error.

Checklist

• I have added or updated unit tests
• I have added or updated integration tests (if appropriate)
• I have added or updated documentation

Testing Instructions

[github-actions]

Benchmark results, click to expand

Benchmark authorization.GetDecisions Results:

Metric	Value
Approved Decision Requests	1000
Denied Decision Requests	0
Total Time	194.245282ms

Benchmark authorization.v2.GetMultiResourceDecision Results:

Metric	Value
Approved Decision Requests	1000
Denied Decision Requests	0
Total Time	105.617832ms

Standard Benchmark Metrics Skipped or Failed

Bulk Benchmark Results

Metric	Value
Total Decrypts	100
Successful Decrypts	100
Failed Decrypts	0
Total Time	375.70813ms
Throughput	266.16 requests/second

TDF3 Benchmark Results:

Metric	Value
Total Requests	5000
Successful Requests	5000
Failed Requests	0
Concurrent Requests	50
Total Time	41.634520674s
Average Latency	414.623922ms
Throughput	120.09 requests/second

NANOTDF Benchmark Results:

Metric	Value
Total Requests	5000
Successful Requests	5000
Failed Requests	0
Concurrent Requests	50
Total Time	28.976910333s
Average Latency	288.806103ms
Throughput	172.55 requests/second

[github-actions]

X-Test Failure Results

opentdfplatformMS5C43.dockerbuild
cukes-report
✅ js-v0.4.34
✅ java-v0.4.34
✅ go-v0.4.34
bats-test-results
test-cases-mapping-report
✅ js-pull-2829
✅ java-pull-2829
✅ go-pull-2829

[jentfoo]

@c-r33d Can you explain the motivation for this change? This will break errors.As / errors.Is checks to check for specific error types