chore(*): add mathlib4 synchronization comments (#19190)
Regenerated from the [port status wiki page](https://github.com/leanprover-community/mathlib/wiki/mathlib4-port-status).
Relates to the following files:
* `algebra.homology.Module`
* `algebra.lie.weights`
* `algebraic_geometry.Scheme`
* `algebraic_geometry.Spec`
* `analysis.analytic.isolated_zeros`
* `analysis.analytic.uniqueness`
* `analysis.complex.open_mapping`
* `analysis.mellin_transform`
* `analysis.special_functions.gamma.basic`
* `category_theory.monoidal.CommMon_`
* `geometry.euclidean.angle.oriented.affine`
* `geometry.euclidean.angle.oriented.right_angle`
* `geometry.euclidean.angle.oriented.rotation`
* `geometry.euclidean.circumcenter`
* `geometry.euclidean.sphere.ptolemy`
* `geometry.euclidean.triangle`
* `measure_theory.function.conditional_expectation.unique`
* `order.category.BddDistLat`
* `order.category.BddLat`
* `order.category.CompleteLat`
* `order.category.HeytAlg`
* `probability.kernel.measurable_integral`
* `probability.kernel.with_density`
* `ring_theory.ring_hom.finite`
* `topology.continuous_function.ideals`
* `topology.gluing`
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