New component: Filter chips

[splashdust]

This PR adds an implementation of filter chips to Green Core.

Bonus stuff:

• Add @resizeObserver() decorator, for reusable reactive size watching
• Move attribute converters to helper module so they can be reused
• Update core-component generator with some placeholder tests and other things

[green-design-system-bot[bot]]

🦋 Changeset status

Based on the included changeset, the following releases will be published as a result of this PR:

• @sebgroup/green-core: 1.19.0 → 1.20.0 (minor bump)
• @sebgroup/chlorophyll: 3.3.5 → 3.3.6 (patch bump)
• @sebgroup/green-react: 3.5.6 → 3.6.0 (minor bump)

Note: If unpublished changesets where merged to main after the first commit of this PR, this list will include those changes in addition to the ones specific to this PR.

[green-design-system-bot[bot]]

👋 Thanks for creating a pull request!

🚀 Checkout the storybooks we've created for it:

• angular
• angular-charts
• chlorophyll
• core
• react
• react-charts