[array,localization] Fix order of indexed `get` members

$ grep '\\index.*{get}' *
grep: assets: Is a directory
containers.tex:\indexlibrarymember{array}{get}%
iostreams.tex:\indexlibrarymember{get}{basic_istream}%
iostreams.tex:\indexlibrarymember{get}{basic_istream}%
iostreams.tex:\indexlibrarymember{get}{basic_istream}%
iostreams.tex:\indexlibrarymember{get}{basic_istream}%
iostreams.tex:\indexlibrarymember{get}{basic_istream}%
iostreams.tex:\indexlibrarymember{get}{basic_istream}%
locales.tex:\indexlibrarymember{num_get}{get}%
locales.tex:\indexlibrarymember{get}{time_get}%
locales.tex:\indexlibrarymember{get}{time_get}%
locales.tex:\indexlibrarymember{money_get}{get}%
locales.tex:\indexlibrarymember{messages}{get}%
memory.tex:\indexlibrarymember{get}{unique_ptr}%
memory.tex:\indexlibrarymember{get}{shared_ptr}%
ranges.tex:\indexlibrarymember{get}{subrange}%
threads.tex:\indexlibrarymember{get}{future}%
threads.tex:\indexlibrarymember{get}{shared_future}%
utilities.tex:\indexlibrarymember{get}{pair}%
utilities.tex:\indexlibrarymember{get}{pair}%
utilities.tex:\indexlibrarymember{get}{pair}%
utilities.tex:\indexlibrarymember{get}{tuple}%
utilities.tex:\indexlibrarymember{get}{tuple}%
utilities.tex:\indexlibrarymember{get}{variant}%
utilities.tex:\indexlibrarymember{get}{variant}%
utilities.tex:\indexlibrarymember{get}{reference_wrapper}%
utilities.tex:\indexlibrarymember{get}{basic_format_args}%

These are backwards:

containers.tex:\indexlibrarymember{array}{get}%
locales.tex:\indexlibrarymember{num_get}{get}%
locales.tex:\indexlibrarymember{money_get}{get}%
locales.tex:\indexlibrarymember{messages}{get}%

Inspect the indexed get-member entries in containers.tex and locales.tex, using the grep output in the issue as the starting point. Correct the backwards index arguments for array and the num_get, money_get, and messages entries, then rerun the grep command to confirm their order.