install: small refactor to combine two function calls into one function
Combine consecutive function calls of install_info_discover and
install_info_may_process into one short helper function.
(cherry picked from commit 1e475a0ab4c46eb07f3df3fb24f5a7c3e1fa20b1)
Related: #1812972
patch_name: 0488-install-small-refactor-to-combine-two-function-calls.patch
present_in_specfile: true
location_in_specfile: 488
squash_commits: true