[Gas Metering] More accurate object size calculation

[lxfind]

We need object size to properly calculate both of the computation cost and storage cost.
We could try to serialize the object to bytes and look at the serialized size, but that's too costly and we don't need to be that accurate. We should focus on what brings most of the size and that should be sufficient.
This PR looks at the size of all metadata and vectors and strings in the objects.

[oxade]

@lxfind good stuff. Few questions:

Have you compared the serialized size with the size yielded by this approximation for different types? Curious to see how much delta.

++ we're considering enforcing object sizes. Loosely 1MB for now. Do you reckon this approximation is good enough for use when enforcing size limits?

[codecov]

Codecov Report

Merging #1249 (d943c40) into main (2e10bbc) will increase coverage by 0.10%.
The diff coverage is 85.81%.

@@            Coverage Diff             @@
##             main    #1249      +/-   ##
==========================================
+ Coverage   81.65%   81.75%   +0.10%     
==========================================
  Files          99       99              
  Lines       20522    20560      +38     
==========================================
+ Hits        16757    16809      +52     
+ Misses       3765     3751      -14     

Impacted Files	Coverage Δ
sui/src/sui-move.rs	3.12% <0.00%> (ø)
sui_core/src/execution_engine.rs	100.00% <ø> (ø)
sui_types/src/base_types.rs	77.74% <ø> (ø)
sui_programmability/adapter/src/adapter.rs	92.29% <69.64%> (+3.58%)	⬆️
sui/src/sui_commands.rs	76.63% <100.00%> (+0.49%)	⬆️
sui_core/src/authority.rs	94.95% <100.00%> (ø)
sui_core/src/authority/temporary_store.rs	81.49% <100.00%> (ø)
sui_core/src/unit_tests/gas_tests.rs	97.49% <100.00%> (+0.10%)	⬆️
sui_programmability/framework/src/lib.rs	85.54% <100.00%> (-1.50%)	⬇️
sui_types/src/object.rs	80.98% <100.00%> (-0.18%)	⬇️
... and 10 more

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[lxfind]

@lxfind good stuff. Few questions:

Have you compared the serialized size with the size yielded by this approximation for different types? Curious to see how much delta.

++ we're considering enforcing object sizes. Loosely 1MB for now. Do you reckon this approximation is good enough for use when enforcing size limits?

The difference should be relatively constant (i.e. mostly serialization type metadata stuff). So I would say the difference should be relatively small and we should be able to use this for enforcing size limits too.

Added tests.