fix: add unhandled return error handling.

[zemyblue]

Description

Add unhandled return error handling.

• baseapp/grpcserver.go
  • grpc.SetHeader(grpcCtx, md)
• server/start.go
  • serverCtx.Viper.BindPFlags(cmd.Flags())
• server/util.go
  • serverCtx.Viper.BindPFlags(cmd.Flags())
  • serverCtx.Viper.BindPFlags(cmd.PersistentFlags())
• x/auth/client/rest/query.go
  • packStdTxResponse(w, clientCtx, txRes)
• x/bank/client/cli/tx.go
  • cmd.Flags().Set(flags.FlagFrom, args[0])
• x/feegrant/client/cli/tx.go
  • cmd.Flags().Set(flags.FlagFrom, args[0])
• x/foundation/keeper/member.go
  • info.SetDecisionPolicy(policy)
• x/slashing/genesis.go
  • keeper.AddPubkey(ctx, consPk)
• x/slashing/keeper/hooks.go
  • keeper.AddPubkey(ctx, consPk)
• x/staking/genesis.go
  • keeper.SetValidatorByConsAddr(ctx, validator)
• x/staking/keeper/msg_server.go
  • k.SetValidatorByConsAddr(ctx, validator)
• x/wasm/client/cli/query.go
  • flagSet.Set(flags.FlagPageKey, string(raw))

Motivation and context

How has this been tested?

Screenshots (if appropriate):

Checklist:

• I followed the contributing guidelines and code of conduct.
• I have added a relevant changelog to CHANGELOG.md
• I have added tests to cover my changes.
• I have updated the documentation accordingly.
• I have updated API documentation client/docs/swagger-ui/swagger.yaml

[codecov]

Codecov Report

Merging #782 (4fe9634) into rc9/v0.46.0 (9c041c4) will decrease coverage by 0.05%.
The diff coverage is 0.00%.

Additional details and impacted files

@@               Coverage Diff               @@
##           rc9/v0.46.0     #782      +/-   ##
===============================================
- Coverage        62.19%   62.13%   -0.06%     
===============================================
  Files              880      880              
  Lines            99479    99488       +9     
===============================================
- Hits             61868    61815      -53     
- Misses           33994    34065      +71     
+ Partials          3617     3608       -9     

Impacted Files	Coverage Δ
baseapp/grpcserver.go	1.72% <0.00%> (-0.04%)	⬇️
x/foundation/keeper/member.go	92.62% <0.00%> (-2.38%)	⬇️
x/slashing/genesis.go	67.44% <0.00%> (-1.61%)	⬇️
x/slashing/keeper/hooks.go	73.17% <0.00%> (-6.83%)	⬇️
x/staking/genesis.go	59.23% <0.00%> (-0.88%)	⬇️
x/staking/keeper/msg_server.go	0.68% <0.00%> (-0.01%)	⬇️
x/wasm/client/cli/query.go	93.43% <0.00%> (-0.42%)	⬇️
x/collection/msgs.go	47.61% <0.00%> (-7.00%)	⬇️
x/wasm/keeper/keeper.go	86.16% <0.00%> (-0.37%)	⬇️
... and 3 more

[0Tech]

LGTM

[0Tech]

;)

[zemyblue]

In this PR, most error handling codes can't do unittest. So I'll skip the codecov error of ci in this case.