Resolve field aliases before calling field_transformer #2016

Job	Run time
Check types using supported type checkers	19s
Verify dev env	10s
Build & verify package	14s
Run doctests & render changelog	14s
Tests on pypy-3.10	19s
Tests & Mypy on 3.9	38s
Tests & Mypy on 3.13	1m 6s
Tests & Mypy on 3.12	1m 2s
Tests & Mypy on 3.10	1m 14s
Tests & Mypy on 3.11	1m 2s
Tests & Mypy on 3.14	1m 13s
Combine & check coverage	11s
required-checks-pass	5s
	7m 47s

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