feat: delayed location popup for geolocation

[RobertOrthofer]

Implemented changes

This PR implements the idea of a delayed browser popup (as described in #793). If the geolocation-control has the centerWhenReady-option set to false, the browser popup will appear only when the control button is clicked. As soon as the permission is granted, the map will pan to the newly created location feature (as described in this comment).

The story as been updated to display this behaviour, preventing the location-popup to show immediately when storybook is opened.

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• I have performed a self-review of my code
• I have added a test related to this feature/fix
• For new features: I have created a story showcasing this new feature
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• The PR title describes the change within this element (each merged PR equals one entry in the element's changelog!)