fix: internal dictionary not resolving message to newly registered rules

[logaretm]

closes #2426

[codecov]

Codecov Report

Merging #2545 into master will increase coverage by 0.1%.
The diff coverage is 85.71%.

@@            Coverage Diff            @@
##           master    #2545     +/-   ##
=========================================
+ Coverage   95.67%   95.78%   +0.1%     
=========================================
  Files          50       50             
  Lines        1134     1115     -19     
  Branches      168      166      -2     
=========================================
- Hits         1085     1068     -17     
+ Misses         49       47      -2

Impacted Files	Coverage Δ
src/localize.ts	96.77% <100%> (+1.65%)	⬆️
src/extend.ts	87.09% <50%> (-0.41%)	⬇️

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