gh-95285: py.exe launcher fails with short argv0 (GH-95295) (GH-95298)

(cherry picked from commit 7ac5bb3e6a)

Co-authored-by: Steve Dower <steve.dower@python.org>

PC/launcher2.c

@@ -580,6 +580,9 @@ parseCommandLine(SearchInfo *search)
             break;
         }
     }
+    if (tail == search->originalCmdLine && tail[0] == L'"') {
+        ++tail;
+    }
     // Without special cases, we can now fill in the search struct
     int tailLen = (int)(end ? (end - tail) : wcsnlen_s(tail, MAXLEN));
     search->executableLength = -1;