Fix k_mass form

The fe_coefficient argument was not passed to the integrand, which then broke the k_mass generation in hyteg-operators

assigned to @pponkumar

enabled an automatic merge when the pipeline for 73929443 succeeds

canceled the automatic merge

added 1 commit

• e2f8b2d0 - Call k_mass integrand with correct args

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enabled an automatic merge when the pipeline for e2f8b2d0 succeeds

mentioned in commit 82a3d030

merged