Imb finder

The indicator finds imbalance's zone

Support:
- Two dynamic color
- Hides fulfiled blocks
- Extends last active imabalance's zone

Note di rilascio:

- Fixed bugs in LTF
- Fixed bug with displaying the last imbalance

Note di rilascio:

- added new logic related to 'penetration ratio'
- modifired logic with 'shown last imbalances'

Note di rilascio:

- fixed bugs with work on history mode

Note di rilascio:

- removed unnecessary imbalances