* Initial pass at stock filtering
* Rough in filter
* Cleaning up security listing
* Tweak to search function
* Combobox tweaks
* Clean up search query
* Update trades test with combobox
* Update securities.yml
* User tickers as primary lookup symbol instead of isin
* Add security price provider
* Fetch security prices in bulk to improve sync performance
* Fetch prices in bulk, better mocking for tests