fix: In gnoclient Render and QEval, need to check Response.Error

[jefft0]

In a call to ABCIQuery, if the error from the node is not in the err value but in the node response in qres.Response.Error. This includes errors like "invalid package path". The gnoclient method Query already checks for this. We need to do a similar check in the new methods Render and QEval.

[codecov]

Codecov Report

Attention: 4 lines in your changes are missing coverage. Please review.

Comparison is base (8abebbe) 35.37% compared to head (f1059c7) 55.19%.
Report is 111 commits behind head on dev/moul/gnoclient.

Files	Patch %	Lines
gno.land/pkg/sdk/vm/keeper.go	0.00%	3 Missing ⚠️
gnovm/cmd/gno/lint.go	80.00%	1 Missing ⚠️

Additional details and impacted files

@@                   Coverage Diff                   @@
##           dev/moul/gnoclient      #19       +/-   ##
=======================================================
+ Coverage               35.37%   55.19%   +19.81%     
=======================================================
  Files                      14      411      +397     
  Lines                    1289    64316    +63027     
=======================================================
+ Hits                      456    35497    +35041     
- Misses                    815    25981    +25166     
- Partials                   18     2838     +2820     

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