* feat: added dynamic variables creation flow
* feat: added keys and value apis and hooks
* feat: added api and select component changes
* feat: added keys fetching and preview values
* feat: added dynamic variable to variable items
* feat: handled value persistence and tab switches
* feat: added default value and formed a schema for dyn-variables
* feat: added client and server side searches
* feat: corrected the initial load getfieldKey api
* feat: removed fetch on mount restriction
