Bug 1710897 - Handle matrix inversion failing more gracefully. r=aosmond

Prior to making invert() return an Option we just gleefully
assumed that it succeeded here. Instead of panicing let's
fail to create the transform.

The problem was found by oss-fuzz:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34216

Differential Revision: https://phabricator.services.mozilla.com/D114999

gfx/qcms/src/chain.rs

@@ -873,7 +873,7 @@ fn modular_transform_create_output(out: &Profile) -> Option<Vec<Box<dyn ModularT
         (&out.redTRC, &out.greenTRC, &out.blueTRC)
     {
         let mut transform = Box::new(MatrixTransform::default());
-        transform.matrix = build_colorant_matrix(out).invert().unwrap();
+        transform.matrix = build_colorant_matrix(out).invert()?;
         transforms.push(transform);
 
         let mut transform = Box::new(MatrixTransform::default());