Improve symlink directory detection in environment finder (#328) #1283

Job	Run time
Tests (ubuntu-latest, x86_64-unknown-linux-musl, yes)	8m 53s
Tests (windows-latest, x86_64-pc-windows-msvc, yes)	8m 48s
Tests in Containers (ci-homebrew-container, ubuntu-latest, homebrew/brew, x86_64-unknown-linux-musl)	3m 48s
Tests in Containers (ci-jupyter-container, ubuntu-latest, mcr.microsoft.com/devcontainers/univers...	4m 31s
Builds (windows-latest, aarch64-pc-windows-msvc)	5m 31s
Tests (macos-latest, x86_64-apple-darwin, yes)	10m 30s
Builds (windows-latest, x86_64-pc-windows-msvc)	4m 36s
Builds (ubuntu-latest, x86_64-unknown-linux-musl, yes)	2m 12s
Tests (macos-14, aarch64-apple-darwin, yes)	11m 16s
Builds (macos-latest, x86_64-apple-darwin, yes)	3m 5s
Env Tests (ci-poetry-custom, windows-latest, x86_64-pc-windows-msvc)	5m 50s
Env Tests (ci-poetry-custom, ubuntu-latest, x86_64-unknown-linux-musl)	2m 41s
Env Tests (ci-poetry-project, windows-latest, x86_64-pc-windows-msvc)	6m 23s
Env Tests (ci-poetry-global, ubuntu-latest, x86_64-unknown-linux-musl)	2m 38s
Builds (macos-14, aarch64-apple-darwin, yes)	2m 9s
Env Tests (ci-poetry-global, windows-latest, x86_64-pc-windows-msvc)	5m 44s
Env Tests (ci-poetry-project, ubuntu-latest, x86_64-unknown-linux-musl)	3m 30s
	1h 32m 5s

Provide feedback