Wasmd precompile: QuerySmart to always use cached ctx

[jewei1997]

Describe your changes and provide context

Use wrapped version of QuerySmart called QuerySmartSafe that always uses a cachedCtx instead of just a normal tx context to make sure changes don't get written to underlying store for a query operation.

Relies on sei-protocol/sei-wasmd#65

Testing performed to validate your change

existing tests.

[codecov]

Codecov Report

Attention: Patch coverage is 33.33333% with 2 lines in your changes missing coverage. Please review.

Project coverage is 61.33%. Comparing base (dd940e5) to head (cf5d8ab).

Files with missing lines	Patch %	Lines
precompiles/pointer/pointer.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1908      +/-   ##
==========================================
- Coverage   61.35%   61.33%   -0.03%     
==========================================
  Files         263      263              
  Lines       23328    23328              
==========================================
- Hits        14314    14308       -6     
- Misses       8009     8016       +7     
+ Partials     1005     1004       -1     

Files with missing lines	Coverage Δ
precompiles/wasmd/wasmd.go	60.62% <100.00%> (ø)
precompiles/pointer/pointer.go	36.00% <0.00%> (ø)

... and 2 files with indirect coverage changes