1. Raft was not generated when tree support is selected but enable_support is false.
2. Raft angle and density of tree support was incorrect
github: #3675
Change-Id: Ifd78bf619a28eb03a908e75ad56af4934b6b08b7
(cherry picked from commit 2a448095a2fb4a2abebb0a5c8082a2ddbb635f16)
(cherry picked from commit e7ffe31cb3c6b526268adb4c2349a2623b181c53)