fix: panic issue when doing refundStake and closeCorssChainChannel

[j75689]

Description

handleMsgSideChainUndelegate should not use the prefixCtx

Log

"UnmarshalJSON cannot decode empty bytes"
goroutine 128 [running]:
runtime/debug.Stack()
\truntime/debug/stack.go:24 +0x65
github.com/tendermint/tendermint/consensus.(*ConsensusState).receiveRoutine.func2()
\tgithub.com/tendermint/[email protected]/consensus/state.go:614 +0x4c
panic({0x16a9940, 0xc00ddd0630})
\truntime/panic.go:884 +0x213
github.com/cosmos/cosmos-sdk/x/params/subspace.Subspace.Get({_, {_, _}, {_, _}, {_, _, _}, {_}}, {{0x1d7eaa0, ...}, ...}, ...)
\tgithub.com/cosmos/[email protected]/x/params/subspace/subspace.go:80 +0x148
github.com/cosmos/cosmos-sdk/x/sidechain.Keeper.BscSideChainId({{0x1d73bf8, 0xc0008d3c40}, {0xc000a08150, {0x1d73bf8, 0xc0008d3bd0}, {0x1d73c20, 0xc0008d3c70}, {0xc0000440f0, 0x9, 0x17}, ...}, ...}, ...)
\tgithub.com/cosmos/[email protected]/x/sidechain/params.go:39 +0x12f
github.com/cosmos/cosmos-sdk/x/stake.handleRefundStake({{0x1d7eaa0, 0xc0000c8020}, {0x1d894d8, 0xc00dd7a800}, {{0xa, 0x0, {}, {0x0, 0x0, 0x0}, ...}, ...}, ...}, ...)
\tgithub.com/cosmos/[email protected]/x/stake/endblock.go:293 +0x5f8
github.com/cosmos/cosmos-sdk/x/stake.EndBlocker({{0x1d7eaa0, 0xc0000c8020}, {0x1d894d8, 0xc00dd7a800}, {{0xa, 0x0, {}, {0x0, 0x0, 0x0}, ...}, ...}, ...}, ...)
\tgithub.com/cosmos/[email protected]/x/stake/endblock.go:46 +0xa3b

[codecov-commenter]

Codecov Report

Merging #362 (d940f55) into bc-fusion (065b547) will decrease coverage by 0.01%.
The diff coverage is 0.00%.

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Additional details and impacted files

@@              Coverage Diff              @@
##           bc-fusion     #362      +/-   ##
=============================================
- Coverage      45.58%   45.58%   -0.01%     
=============================================
  Files            248      248              
  Lines          24411    24413       +2     
=============================================
  Hits           11128    11128              
- Misses         12613    12615       +2     
  Partials         670      670