Absorb qtcanvaspainter submodule

commit493497da24c542ba81a2bece81432b52927b286c
parent4402a37c04e9d97a65dba8de1ca56b9ebe00db32
parentc2cb93bedfd0e3fb2e83a0437cbe0b34c0918673
authormozsearch-qt index builder <mozsearch-qt@localhost>
committermozsearch-qt index builder <mozsearch-qt@localhost>
commit timeThu, 29 Oct 2026 16:26:26 +0000