Do not recompute data when local pagination is enabled

[philippjfr]

Previously we re-computed the data, style and selections when pagination options changed on local pagination. This is not necessary and was causing issues when header filters were applied.

[codecov]

Codecov Report

Merging #3854 (7847ff8) into master (77943b1) will decrease coverage by 0.02%.
The diff coverage is 28.57%.

❗ Current head 7847ff8 differs from pull request most recent head 07b0522. Consider uploading reports for the commit 07b0522 to get more accurate results

@@            Coverage Diff             @@
##           master    #3854      +/-   ##
==========================================
- Coverage   75.24%   75.21%   -0.03%     
==========================================
  Files         224      224              
  Lines       32681    32699      +18     
==========================================
+ Hits        24591    24595       +4     
- Misses       8090     8104      +14     

Flag	Coverage Δ
unitexamples-tests	75.21% <28.57%> (-0.03%)	⬇️

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Impacted Files	Coverage Δ
panel/tests/ui/widgets/test_tabulator.py	9.46% <13.33%> (+<0.01%)	⬆️
panel/widgets/tables.py	87.31% <66.66%> (+<0.01%)	⬆️
panel/io/reload.py	69.56% <0.00%> (-2.18%)	⬇️
panel/io/cache.py	81.98% <0.00%> (-0.46%)	⬇️
panel/io/server.py	74.65% <0.00%> (-0.20%)	⬇️

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