[3.13] gh-142315: Don't pass the "real path" of Pdb script target to system functions (GH-142371) (#142498)

gh-142315: Don't pass the "real path" of Pdb script target to system functions (GH-142371

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(cherry picked from commit d716e3b2dd33de27aaa31e8204723195c5ba706c)

Co-authored-by: Bartosz Sławecki <bartosz@ilikepython.com>
Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>