fix: display issue when no groups are present #74
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What type of PR is this?
/kind bug
What this PR does / why we need it:
当目前链接没有分组时,将不会显示移动按钮。
How to test it?
测试不存在分组以及存在分组时,移动按钮是否显示。
Which issue(s) this PR fixes:
Fixes #73
Does this PR introduce a user-facing change?