fix(#419): Fix errors in storybook

[Decipher]

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

• Fixed various minor errors in storybook.
• Resolves Invalid handler for event "value": got undefined #419

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.

Screenshots/Media:

[changeset-bot]

🦋 Changeset detected

Latest commit: 5226ebf

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 4 packages

Name	Type
druxt-blocks	Patch
druxt	Patch
druxt-entity	Patch
druxt-views	Patch

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Click here if you're a maintainer who wants to add another changeset to this PR

[codecov]

Codecov Report

Merging #421 (5226ebf) into develop (933e02f) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff            @@
##           develop     #421   +/-   ##
========================================
  Coverage    96.86%   96.87%           
========================================
  Files           88       88           
  Lines         2907     2908    +1     
  Branches       638      639    +1     
========================================
+ Hits          2816     2817    +1     
  Misses          83       83           
  Partials         8        8           

Impacted Files	Coverage Δ
packages/entity/src/components/DruxtEntity.vue	100.00% <ø> (ø)
packages/blocks/src/components/DruxtBlock.vue	100.00% <100.00%> (ø)
packages/druxt/src/components/DruxtModule.vue	100.00% <100.00%> (ø)

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