Support Wildcards in Element HTML selectors

[darkopia]

Feature request

Is your feature request related to a problem?

Setting up actions I want to be able to add wildcards for dynamic classes.

Describe the solution you'd like

Wildcards in dynamic classes.

Describe alternatives you've considered

Creating a custom capture event, or using the text element.

Additional context

Debug info

- [ ] PostHog Cloud, Debug information: [please copy/paste from https://us.posthog.com/settings/project-details#variables]
- [ ] PostHog Hobby self-hosted with `docker compose`, version/commit: [please provide]
- [ ] PostHog self-hosted with Kubernetes (deprecated, see [`Sunsetting Kubernetes support`](https://posthog.com/blog/sunsetting-helm-support-posthog)), version/commit: [please provide]