[alias] update oracles

src/plugins/alias/tests/basic/oracle/assignment3.res.oracle

src/plugins/alias/tests/basic/oracle/conditional2.res.oracle

src/plugins/alias/tests/basic/oracle/function4.res.oracle

src/plugins/alias/tests/basic/oracle/if_then1.res.oracle

src/plugins/alias/tests/offsets/oracle/array1.res.oracle

src/plugins/alias/tests/offsets/oracle/array2.res.oracle

src/plugins/alias/tests/offsets/oracle/array3.res.oracle

src/plugins/alias/tests/offsets/oracle/nested1.res.oracle

src/plugins/alias/tests/offsets/oracle/nested2.res.oracle

src/plugins/alias/tests/offsets/oracle/structure1.res.oracle

src/plugins/alias/tests/offsets/oracle/structure2.res.oracle

src/plugins/alias/tests/offsets/oracle/structure3.res.oracle

src/plugins/alias/tests/offsets/oracle/structure4.res.oracle

src/plugins/alias/tests/offsets/oracle/structure5.res.oracle