Deal that converted from lead using cached deal data

[longnguyen-osg]

Describe the bug
Deal that converted from lead using browser cached deal data, this lead to incorrect data of new lead. Pleas watch recording attached.

To Reproduce
Steps to reproduce the behavior:

1. Go to Deal
2. Create a Deal with some fields such as deal_value, organization_name
3. Go to Lead
4. Create new Lead
5. Convert that Lead to Deal and see result

output.mp4