fix(expansion/redirection): prevent infinite loop of redir list pointing to itself

also add a hard limit of OVER 9000! iterations for the problematic loop

test.sh

@@ -920,4 +920,12 @@ parsed command
                          ╰─ here_doc_eof = [(null)]
 EOF
 
+when_run <<EOF "correctly handle multiple redirections"
+echo hello > outfile > outfile
+cat outfile
+EOF
+expecting <<EOF
+hello
+EOF
+
 finalize