[Enhancement] Replace "more" icon

[henrikvoetmand]

• I have written a good issue

Describe the enhancement

The "more" icon is not the same as in the design files. (Sketch & Zeplin)

Describe the solution you'd like

Replace the old "more" icon svg file in Kirby with the new svg file (attached to this issue)

Have you considered any alternatives?

Are there any additional context?

New svg file:

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Checklist:

The following tasks should be carried out in sequence in order to follow the process of contributing correctly.

Refinement

• Request that the issue is UX refined; do not proceed until this is done.
• Request that the issue is tech refined; do not proceed until this is done.

Implementation

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• Make sure you have read: "Before you get coding".
• Signal to others you are working on the issue by assigning yourself.
• Create a branch from the stable branch following our branch naming convention.
• Publish a WIP implementation to Github as a draft PR and ask for feedback.
• Make sure you have implemented tests following the guidelines in: "The good: Test".
• Update the cookbook with examples and showcases.

Review

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• Do a self-review.
• Create a pull-request. If you created a draft PR during implementation you can just mark that as "ready for review".