Empty table cells are removed during dataset export

[orjanmjelde-kantega]

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Describe the bug
We are observing that empty table cells are being removed when datasets are exported. If we insert a space-character (or any other character) in the cells, the tables structure is retained through an export. This seems to be the same bug that was reported earlier in ticket #2051. The same bug has also been reported for the table plugin sanity-io/table#33.

To Reproduce
Steps to reproduce the behavior:

• Create a table in a document
• Fill table with content, but leave one or more table cells empty (no characters in the cells) and publish the document
• Inspect document and verify correct table structure
• Export dataset
• Either re-import dataset and verify structure, or unpack dataset archive and verify in the export file that the table structure has changed.

Expected behavior
Expect table structure to be retained through export/import of dataset.

Which versions of Sanity are you using?

@sanity/cli (global) 3.54.0 (latest: 3.57.3)
@sanity/cli 3.54.0 (latest: 3.57.3)
@sanity/icons 3.3.1 (latest: 3.4.0)
@sanity/locale-nb-no 1.1.12 (latest: 1.1.13)
@sanity/preview-kit 5.1.0 (up to date)
@sanity/table 1.1.2 (up to date)
@sanity/uuid 3.0.2 (up to date)
@sanity/vision 3.54.0 (latest: 3.57.3)
@sanity/webhook 4.0.4 (up to date)
sanity 3.54.0 (latest: 3.57.3)

What operating system are you using?
Linux

Which versions of Node.js / npm are you running?

10.8.3
v22.6.0

Additional context