fix(vue-app): re-register components construtor in HMR

[clarkdo]

Types of changes

• Bug fix (a non-breaking change which fixes an issue)

Description

Fix #8501
closes #9077

We can see component instance and Component are not matching after hot reload, this pr is re-assigning correct constructor to component instance.

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly. (PR: #)
• I have added tests to cover my changes (if not applicable, please state why)
• All new and existing tests are passing.

[codecov-commenter]

Codecov Report

Merging #9539 (e7b88fa) into dev (356de80) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev    #9539   +/-   ##
=======================================
  Coverage   65.15%   65.15%           
=======================================
  Files          94       94           
  Lines        4107     4107           
  Branches     1126     1126           
=======================================
  Hits         2676     2676           
  Misses       1152     1152           
  Partials      279      279           

Flag	Coverage Δ
unittests	65.15% <ø> (ø)

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[danielroe]

LGTM 👍