Add long-alias support for aggregations.

[MarkDuckworth]

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Latest commit: 03c253b

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[google-oss-bot]

Size Report ¹

Affected Products

• @firebase/firestore

  Type	Base (bddc177)	Merge (55a8187)	Diff
  browser	285 kB	285 kB	-145 B (-0.1%)
  esm5	354 kB	354 kB	-175 B (-0.0%)
  main	566 kB	566 kB	+6 B (+0.0%)
  module	285 kB	285 kB	-145 B (-0.1%)
  react-native	285 kB	285 kB	-145 B (-0.1%)

• @firebase/firestore-lite

  Type	Base (bddc177)	Merge (55a8187)	Diff
  browser	87.7 kB	87.5 kB	-145 B (-0.2%)
  esm5	106 kB	105 kB	-175 B (-0.2%)
  main	149 kB	149 kB	+6 B (+0.0%)
  module	87.7 kB	87.5 kB	-145 B (-0.2%)
  react-native	87.8 kB	87.7 kB	-145 B (-0.2%)

• firebase

  Type	Base (bddc177)	Merge (55a8187)	Diff
  firebase-firestore-lite.js	94.4 kB	94.2 kB	-145 B (-0.2%)
  firebase-firestore.js	344 kB	344 kB	-145 B (-0.0%)

Test Logs

• Base (bddc177): https://github.com/firebase/firebase-js-sdk/actions/runs/4788250573
• Merge (55a8187): https://github.com/firebase/firebase-js-sdk/actions/runs/4799221514

1. https://storage.googleapis.com/firebase-sdk-metric-reports/mBNw2HdzT6.html

[google-oss-bot]

Size Analysis Report ¹

This report is too large (638,604 characters) to be displayed here in a GitHub comment. Please use the below link to see the full report on Google Cloud Storage.

Test Logs

• Base (bddc177): https://github.com/firebase/firebase-js-sdk/actions/runs/4788250573
• Merge (55a8187): https://github.com/firebase/firebase-js-sdk/actions/runs/4799221514

1. https://storage.googleapis.com/firebase-sdk-metric-reports/ekkyI9lIV3.html

[ehsannas]

Not sure why CI is failing with Operator field in Aggregation is not set

[MarkDuckworth]

@ehsannas, I made all of these changes. It took me a bit, but now I agree that this is a better approach. Thanks for your review.