feat: Add demo experiment to help users activate (#5141)

* feat: enable posthog for dev process

* feat: inject sticky in demo

* feat: update url

* feat: update pos

* feat: add demo button

* feat: add callout

* feat: hide behind exp

* fix: fix zoom to fit

* fix: fix zoom reset when moving to new view

* fix: use constant for test

* feat: add tracking

* feat: fix tracking

* feat: fix tracking

* fix canvas centering

* feat: update time

* feat: update bg color

* feat: update copy

* feat: update btm padding

* feat: replace thumbnail

* feat: increase height of sticky

* chore: clean up props

* fix: revert canvas change

* chore: address feedback

* chore: remove extra space

* test: fix unit tests

packages/editor-ui/src/constants.ts

@@ -444,3 +444,5 @@ export enum STORES {
 }
 
 export const EXPRESSION_EDITOR_PARSER_TIMEOUT = 15_000; // ms
+
+export const POSTHOG_ASSUMPTION_TEST = 'adore-assumption-tests';