Fix GraphHost.continueTransaction

[Dark-Existed]

6.0.87 / 6.5.4 both call asyncTransaction here.

[Kyle-Ye]

Thanks. BTW, asyncTransaction should be called by host instead of self.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 13.82%. Comparing base (7b4928d) to head (7117839).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
Sources/OpenSwiftUICore/Graph/GraphHost.swift	0.00%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #675   +/-   ##
=======================================
  Coverage   13.81%   13.82%           
=======================================
  Files         559      559           
  Lines       32555    32557    +2     
=======================================
+ Hits         4499     4500    +1     
- Misses      28056    28057    +1     

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