fix(resharding): fix dynamic config

[wacban]

Fixing the dynamic config since #10290 was accidentaly merged prematurely before it was fully tested and fixed.
Tested on localnet for now, will then test on mocknet and only then merge.

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (71d0ea8) 71.81% compared to head (28fb536) 71.79%.
Report is 3 commits behind head on master.

Files	Patch %	Lines
chain/client/src/client.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #10297      +/-   ##
==========================================
- Coverage   71.81%   71.79%   -0.02%     
==========================================
  Files         712      712              
  Lines      143052   143054       +2     
  Branches   143052   143054       +2     
==========================================
- Hits       102731   102708      -23     
- Misses      35607    35631      +24     
- Partials     4714     4715       +1     

Flag	Coverage Δ
backward-compatibility	0.08% <0.00%> (ø)
db-migration	0.08% <0.00%> (ø)
genesis-check	1.25% <0.00%> (+<0.01%)	⬆️
integration-tests	36.11% <80.00%> (-0.11%)	⬇️
linux	71.67% <80.00%> (-0.02%)	⬇️
linux-nightly	71.38% <80.00%> (-0.01%)	⬇️
macos	53.88% <60.00%> (-0.01%)	⬇️
pytests	1.48% <0.00%> (+<0.01%)	⬆️
sanity-checks	1.28% <0.00%> (+<0.01%)	⬆️
unittests	68.18% <60.00%> (-0.01%)	⬇️
upgradability	0.13% <0.00%> (ø)

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[wacban]

mocknet with updated config mid-fly

2023-12-05T13:55:47.792406Z  INFO config: Validating Config, extracted from config.json...
2023-12-05T13:55:47.792562Z  INFO near_o11y::reload: Updated the logging layer according to `log_config.json`
2023-12-05T13:55:47.847096Z  INFO check_triggers: config: Mutable config field 'expected_shutdown' remains the same: None
2023-12-05T13:55:47.847112Z  INFO check_triggers: config: Updated config field 'state_split_config' from StateSplitConfig { batch_size: 1000.0 KB, batch_delay: 1s, retry_delay: 50ms, initial_delay: 0ns, max_poll_time: 1800s } to StateSplitConfig { batch_size: 50.0 MB, batch_delay: 10ms, retry_delay: 50ms, initial_delay: 0ns, max_poll_time: 1800s }
2023-12-05T13:55:47.847940Z  INFO check_triggers: config: Updated ClientConfig