Issues #1527, #1528 (#309), #1529, #1530, #1531, #1532, #1533, #1534

[Mayakruha]

Commit cbc3416
Date: Jul 7, 2025
Fix cell_sets_to_data() - Issue #1534

Commit 2e7a7f6
Date: Jul 5, 2025
Add capacity to add new attributes to mesh like faces – Issue #1532

Commit 42fb644
Date: Jul 5, 2025
Fix bugs and add capacity to store originals ids for nodes and elements

Lines: 23-89: The order of keys changed to get general types of elements during writing a file (for instance, C3D10 instead of C3D10MH)
read_buffer(): the changes in the function fix issues #1527, #1528 (#309), #1530, #1531, #1533 and add capacity to load surfaces (issue #1532).
_read_nodes(): the changes in the function fix issues #1527, #1528 (#309), #1531
_read_cells(): the changes in the function fix issues #1530, #1531
Added _read_surf() to provide solution for issue #1532
write(): the changes fix issue #1529, #1532, #1533