* Add leads settings to chatflow configuration
* Add leads tab to chatflow configuration with options for lead capture
* Add database entity and migrations for leads
* Add endpoint for adding and fetching leads
* Show lead capture form in UI chat window when enabled
* Add view leads dialog
* Make export leads functional
* Add input for configuring message on successful lead capture
* Add migrations for adding lead email in chat message if available
* show lead email in view messages
* ui touch up
* Remove unused code and update how lead email is shown in view messages dialog
* Fix lead not getting saved
* Disable input when lead form is shown and save lead info to localstorage
* Fix lead capture form not working
* disabled lead save button until at least one form field is turned on, get rid of local storage _LEAD
* add leads API to as whitelist public endpoint
* Send leadEmail in internal chat inputs
* Fix condition for disabling input field and related buttons when lead is enabled/disabled and when lead is saved
* update leads ui
* update error message and alter table add column sqlite migration
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Co-authored-by: Henry <hzj94@hotmail.com>
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