Instance version details:
Microsoft Dynamics 365
2020 release wave 1 enabled
Server version: 9.1.0000.17162Client version: 1.4.709-2004.3
Generated email on create of note record, not considering Shift + Enter as well as adding extra white space after last line of note description in email in Dynamics 365
I created one workflow in trial instance, which creates email on, create of Note:
The 1st Email (Left side in Screen clip) is generated when we create Note when Rich Text Editor feature Disabled.
The 2nd Email (Right side in Screen clip) is generated when we create Note when Rich Text Editor feature Enabled.

Any help would be appreciated.
Thanks!
Akshay