* area conversions
* start work on tests
* add number device class
* update unit conversions to utilise distance constants
* add area unit
* update test unit system
* update device condition and trigger
* update statistic unit converters
* further tests work WIP
* update test unit system
* add missing string translations
* fix websocket tests
* add deprecated notice
* add more missing strings and missing initialisation of unit system
* adjust icon and remove strings from scrape and random
* Fix acre to meters conversion
Co-authored-by: epenet <6771947+epenet@users.noreply.github.com>
* Tidy up valid units
Co-authored-by: epenet <6771947+epenet@users.noreply.github.com>
* fix ordering of area
* update order alphabetically
* fix broken test
* update test_init
* Update homeassistant/const.py
Co-authored-by: epenet <6771947+epenet@users.noreply.github.com>
* remove deprecated unit and fix alphabetical order
* change deprecation and add tests, change to millimeter conversion for inches
* fix order
* re-order defs alphabetically
* add measurement as well
* update icons
* fix up Deprecation of area square meters
* Update core integrations to UnitOfArea
* update test recorder tests
* unit system tests in alphabetical
* update snapshot
* rebuild
* revert alphabetization of functions
* other revert of alphabetical order
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Co-authored-by: epenet <6771947+epenet@users.noreply.github.com>
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