git sync button context should be an icon font, not a text

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Does this issue occur when all extensions are disabled?: Yes

版本: 1.63.0-insider (system setup)
提交: 6a25ae3
日期: 2021-11-16T05:14:38.726Z
Electron: 13.5.2
Chrome: 91.0.4472.164
Node.js: 14.16.0
V8: 9.1.269.39-electron.0
OS: Windows_NT x64 10.0.22499

Steps to Reproduce:

BTW : 同步 means sync

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fix by loc package : https://github.com/microsoft/vscode-loc/releases/tag/release%2F1.62.4

https://github.com/microsoft/vscode-loc/blob/471aa48fd13989f8bc220ab495a71fff078ce0d8/i18n/vscode-language-pack-zh-hans/translations/extensions/git.i18n.json#L254