fix: respect namespaced in store module

[clarkdo]

Description

Fix #5187

TODO:

• test
• doc

[codecov-io]

Codecov Report

Merging #5189 into dev will decrease coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##              dev    #5189      +/-   ##
==========================================
- Coverage   96.57%   96.53%   -0.05%     
==========================================
  Files          73       73              
  Lines        2456     2456              
  Branches      619      619              
==========================================
- Hits         2372     2371       -1     
- Misses         69       70       +1     
  Partials       15       15

Impacted Files	Coverage Δ
packages/vue-renderer/src/renderer.js	95.26% <0%> (-0.53%)	⬇️

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