Sm/use-array-flags

[mshanemc]

What does this PR do?

• use the arrayWithDeprecations to let comma-separaterd stuff work like new commands and provide warnings when people use commas
• reduce manual validation via oclif exclusive flags

What issues does this PR fix or reference?

forcedotcom/cli#2165
@W-13505755@

[WillieRuemmele]

QA Notes

---

before:

 ➜  ../../oss/plugin-apex/bin/dev apex:run:test -t GeocodingServiceTest,FileUtilitiesTest -w 10
=== Test Summary

after:
✅ :

 ➜  ../../oss/plugin-apex/bin/dev apex:run:test -t GeocodingServiceTest,FileUtilitiesTest -w 10
Warning: The input format for array arguments has changed. Use this format: --array-flag value1 --array-flag value2 --array-flag value3
Warning: The input format for array arguments has changed. Use this format: --array-flag value1 --array-flag value2 --array-flag value3
=== Test Summary

✅ :

 ➜  ../../oss/plugin-apex/bin/dev apex:run:test -t GeocodingServiceTest -t FileUtilitiesTest -w 10
=== Test Summary

✅ :

 ➜  ../../oss/plugin-apex/bin/dev apex:run:test -n GeocodingServiceTest -n FileUtilitiesTest -w 10
=== Test Summary

✅ :

 ➜  ../../oss/plugin-apex/bin/dev apex:run:test -n GeocodingServiceTest,FileUtilitiesTest -w 10  
Warning: The input format for array arguments has changed. Use this format: --array-flag value1 --array-flag value2 --array-flag value3
Warning: The input format for array arguments has changed. Use this format: --array-flag value1 --array-flag value2 --array-flag value3
=== Test Summary

✅ :

 ➜  ../../oss/plugin-apex/bin/dev apex:run:test -t GeocodingServiceTest -n FileUtilitiesTest -w 10
Error (1): The following errors occurred:
  --class-names=FileUtilitiesTest cannot also be provided when using --tests
  --tests=GeocodingServiceTest cannot also be provided when using --class-names

✅ :

 ➜  ../../oss/plugin-apex/bin/dev apex:run:test -n GeocodingServiceTest -s FileUtilitiesTest -w 10
Error (1): The following errors occurred:
  --class-names=GeocodingServiceTest cannot also be provided when using --suite-names
  --suite-names=FileUtilitiesTest cannot also be provided when using --class-names