pidgin/pidgin

Replace pidgin_stock_id_from_status_primitive by pidgin_icon_name_from_status_primitive

Thus reducing the use of stock icons.

Testing Done:
Open saved status dialog, and also the account-specific status, and verified the type drop downs had the correct icons again.

Reviewed at https://reviews.imfreedom.org/r/1038/
if ENABLE_DOC
subdir('reference')
endif
if ENABLE_GTK
pidgin_man = configure_file(
input : 'pidgin3.1.in',
output : 'pidgin3.1',
configuration : man_conf,
install : true,
install_dir : get_option('mandir') / 'man1')
endif
if enable_consoleui
finch_man = configure_file(
input : 'finch3.1.in',
output : 'finch3.1',
configuration : man_conf,
install : true,
install_dir : get_option('mandir') / 'man1')
endif