QQEM: use QLibraryInfo::paths()


So we can deprecate path(). This code will need update if there are
multiple paths.

Pick-to: 6.12
Change-Id: I6f834ce0ba1bf06790d7fffd0d9bb76b995c95d6
Reviewed-by: Kaj Grönholm <kaj.gronholm@qt.io>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
commit427ea2684af0c0aba03956fbd22e20343e7e5ee7
parente5e9bb3ff4e62d7d51cd883450083951f51cf51f
authorThiago Macieira <thiago.macieira@intel.com>
committerThiago Macieira <thiago.macieira@intel.com>
commit timeWed, 17 Jun 2026 15:32:37 +0000