Fix live issues on import
Allows snippet to be added to the empty article editor
Fix for TP4622
id:4622 state:In Progress
Merge pull request #80 from moneyadviceservice/fix-4622-add-snippet-new-page

Allows snippet to be added when the article editor is empty
Extend comfortable mexican sofa pages controller adding page filtering
Add initial commit of ElementFilter component
Add JS for filtering

Includes tests and basic CSS for hiding/showing items
Add styling for .notes-list
Make sure element-filter config is being passed properly
Constrains click event to ElementFilter trigger
Add .list-display component
Format list-display within Popover component

Also other minor formatting fixes
Add placeholder attribute to Notes example
Extend comfy pages create and update action code