fix: refund swap, timelock failed

[j75689]

Description

this pr include 2 fix for refund:

1. only refund opened swap
2. do not check timelock time if isBCFusionRefund

Rationale

n/a

Example

n/a

Changes

Notable changes:

• refund

Preflight checks

• build passed (make build)
• tests passed (make test)
• integration tests passed (make integration_test)
• [ x manual transaction test passed (cli invoke)

Already reviewed by

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Related issues

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[codecov-commenter]

Codecov Report

Attention: 8 lines in your changes are missing coverage. Please review.

Comparison is base (5ee5e0f) 48.84% compared to head (0c727fe) 48.82%.

Files	Patch %	Lines
plugins/tokens/plugin.go	0.00%	7 Missing ⚠️
plugins/tokens/timelock/handler.go	0.00%	1 Missing ⚠️

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Additional details and impacted files

@@              Coverage Diff              @@
##           bc-fusion     #989      +/-   ##
=============================================
- Coverage      48.84%   48.82%   -0.02%     
=============================================
  Files            127      127              
  Lines          12795    12800       +5     
=============================================
  Hits            6250     6250              
- Misses          6115     6120       +5     
  Partials         430      430              

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