feat: Support multiple snapshotclass when taking snapshot
Created by: weili520
Signed-off-by: TheYoungManLi 1512298456@qq.com
What type of PR is this?
/kind feature
What this PR does / why we need it:
Which issue(s) this PR fixes:
Fixes ##2182 (closed)
Special notes for reviewers:
Does this PR introduced a user-facing change?
support multiple snapshotclass. user can choose the snapshot type when create snapshot.