Updating file share snapshot Description with non utf-8 code characters

[Shruthi-1MN]

Is this a BUG REPORT or FEATURE REQUEST?:
Updating file share snapshot Description with non utf-8 code characters should not be allowed

Uncomment only one, leave it on its own line:

/kind bug
/kind feature

What happened:

What you expected to happen:

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know?:

Environment:

• Hotpot(release/branch) version:
• OS (e.g. from /etc/os-release):
• Kernel (e.g. uname -a):
• Install tools:
• Others:

[Shruthi-1MN]

Fixing in PR #1086

[Shruthi-1MN]

Not valid case. Description can have any letters. There is no restriction.