Corrected typo mistake in client component editor MenuToggle.vue

[laghim]

Description There was a typo mistake in a component, it was written "dafault" instead of "default". This may affect the functionality of the program

How Has This Been Tested? This issue was found by running a static analysis tool, DeepScan that pointed out this typo.

Types of changes

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

Checklist

• [x] My code follows the code style of this project - just 2 words changed
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.

[alxpez]

closes https://github.com/vuegg/vuegg/issues/51