fix(vue-app): emit triggerScroll to support hash navigation

[pimlie]

Types of changes

• Bug fix (a non-breaking change which fixes an issue)
• New feature (a non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Description

Nuxt's scrollBehaviour relies on the triggerScroll event which is only emitted when a new component is loaded. This means the event will never be emitted when you navigate within an active component using hashes.

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-io]

Codecov Report

Merging #6012 into dev will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev    #6012   +/-   ##
=======================================
  Coverage   95.72%   95.72%           
=======================================
  Files          82       82           
  Lines        2689     2689           
  Branches      690      690           
=======================================
  Hits         2574     2574           
  Misses         97       97           
  Partials       18       18

Flag	Coverage Δ
#e2e	100% <ø> (ø)	⬆️
#fixtures	50.35% <ø> (ø)	⬆️
#unit	92.71% <ø> (ø)	⬆️

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[atinux]

Thanks @pimlie