move function of openroad.RepairAntennasPostDRT inside openroad.Detai… #5011

Job	Run time
Prepare Test Matrices and Cache PDKs	1m 10s
Lint	41s
Build (Nix/aarch64-linux)	50m 17s
Build (Nix/x86_64-linux)	9m 32s
Build (Nix/${{ matrix.system.nix }})	0s
Build and Unit Test (Python ${{ matrix.python-version }})	0s
Test Design ${{ matrix.design.test_name }} (${{ matrix.design.pdk }}/${{ matrix.design.scl }})	0s
Merge Metrics	2s
Upload Metrics	30s
Build Docker Image (amd64)	8m 29s
Build Docker Image (aarch64)	27m 1s
Publish (If Applicable)	0s
	1h 37m 42s

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