added regex logic for groups and events in PageBreadcrumbs.vue

[shgxshg]

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• This pull request is on a separate branch and not the main branch
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Description

This pull request enhances the route-checking logic in PageBreadcrumbs.vue by introducing robust mechanisms for handling group and event routes.

groupRegex validates routes with the format /organizations/{UUID}/groups/{UUID} and optionally /about. This ensures accurate identification of "group" page types and triggers fetching group details from the groupStore using the fetchById method. This addition enables seamless navigation and dynamic content updates for group-related pages.
eventRegex validates routes with the format /events/{UUID} and optionally /about. This allows for precise identification of "event" page types and ensures event details are fetched from the eventStore using the fetchById method.

Related issue

resolves #920

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[andrewtavis]

Thanks so much for the pull request and the communication here, @shgxshg! Glad to have this in and have the changes you all have been making reflected for groups and events as well 😊