feat: check tautologically-false conditionals #3182
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- fix koalaman#3179 — negation of SC2055, `[ x = y -a x = z]` - fix koalaman#3181 — negation of SC2056, `(( x == y && x == z ))` - fix koalaman#3180 — negation of SC2252, `[ x = y ] && [ x = z ]`
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[[ $1 = foo && $1 = bar ]], is not detected #3179 — negation of SC2055,[ x = y -a x = z](( $1 == 0 && $1 == 3 )), is not detected #3181 — negation of SC2056,(( x == y && x == z ))[ "$1" = foo ] && [ "$1" = bar ], is not detected #3180 — negation of SC2252,[ x = y ] && [ x = z ]