* preview codeHinter default=true
* adding preview code for codeHinter for table widgets
* previw for codeHinter in eventManager and RestAPI headers tab fixed
* added classes to header tabs
* fixed preview for transformations
* widgets preview for title
* preview for advance tab QueryManager
* preview box for datasource queryeditor
* sql code hinter UI spaces fixed
* Dark mode part 1
* Dark mode part 2
* Dark mode part 3
* Dark mode part 4
* Dark mode part 5
* Dark mode part 6
* Dark mode part 7
* Dark mode part 7
* Dark mode part 8
* set light mode as default
* Dark mode part 9
* Dark mode part 10
* Dark mode part 11