fix(r/leon/config): fix config bug

[leohhhn]

Description

Fixes a bug in r/leon/config.

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

All modified and coverable lines are covered by tests ✅

Project coverage is 61.11%. Comparing base (2c04ff0) to head (538f211).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2934      +/-   ##
==========================================
+ Coverage   61.10%   61.11%   +0.01%     
==========================================
  Files         564      564              
  Lines       75359    75359              
==========================================
+ Hits        46045    46053       +8     
+ Misses      25950    25943       -7     
+ Partials     3364     3363       -1     

Flag	Coverage Δ
contribs/gnodev	61.46% <ø> (ø)
contribs/gnofaucet	14.46% <ø> (ø)
gno.land	67.92% <ø> (ø)
gnovm	66.17% <ø> (ø)
misc/genstd	80.54% <ø> (ø)
misc/logos	20.23% <ø> (+0.35%)	⬆️
tm2	62.09% <ø> (+<0.01%)	⬆️

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