Merge branch 'barry/2024-09-02/rebased-fix-conversion-warnings' into 'main'

Compiler finds (and forbid) casts from higher precision integers to lower

See merge request petsc/petsc!7806

Viwering PetscSection displays dof as dim in the ASCII files, fix to dof

Merge branch 'ahamilton/fix-DMClone_Network' into 'main'

Fix DMClone_Network

See merge request petsc/petsc!5362

Changed DMClone_Network to only clone the topological part of the network. Adjusted DMDestroy_Network to compensate. Before this DMClone was broken, and essentially just giving you a shared pointer.

Changed DMClone_Network to only clone the topological part of the network. Adjusted DMDestroy_Network to compensate. Before this DMClone was broken, and essentially just giving you a shared pointer. You could use the clone to mess with the values of the components of the original for example. This is a step in getting DMClone to behave similarly for DMNetwork as other DMs.

Added DMNetworkFinalizeComponents() to setup the internal data structures for the components and dofs on a network. Necessary to work with cloned networks

Added basic example to test cloning of a network

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