fix: 系统语言为藏语时视频名称被截断

[feeengli]

修复系统语言为藏语时视频名称被截断
设置最大内容显示宽度

Log: UI bug修复

Bug: https://pms.uniontech.com/bug-view-241087.html

[pengfeixx]

[是否满足兼容性要求] Y
[是否满足commit提交规范] Y
[是否满足编码规范] Y
[Review结论] Pass
[Fail原因] N/A

[jeffshuai]

[是否满足兼容性要求] Y
[是否满足commit提交规范] Y
[是否满足编码规范] Y
[Review结论] Pass
[Fail原因] N/A

[hundundadi]

[是否满足兼容性要求] Y
[是否满足commit提交规范] Y
[是否满足编码规范] Y
[Review结论] Pass
[Fail原因] N/A

[starhcq]

/+1

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: feeengli, starhcq

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