fix: return from deliver tx upon timeout

[deelawn]

WIP

Contributors' checklist...

• Added new tests, or not needed, or not feasible
• Provided an example (e.g. screenshot) to aid review or the PR is self-explanatory
• Updated the official documentation or not needed
• No breaking changes were made, or a BREAKING CHANGE: xxx message was included in the description
• Added references to related issues and PRs
• Provided any useful hints for running manual tests
• Added new benchmarks to generated graphs, if any. More info here.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 47.78%. Comparing base (ca6566f) to head (78d5126).
Report is 6 commits behind head on master.

Files	Patch %	Lines
gno.land/pkg/gnoland/node_inmemory.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1927      +/-   ##
==========================================
- Coverage   47.79%   47.78%   -0.01%     
==========================================
  Files         393      393              
  Lines       61654    61654              
==========================================
- Hits        29465    29464       -1     
- Misses      29717    29718       +1     
  Partials     2472     2472              

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[deelawn]

not an issue