fix(build): fix theme build error (#1988)

.gitignore

@@ -64,6 +64,8 @@ packages/theme/scripts/theme-result.txt
 packages/theme/scripts/themeExcel.xlsx
 
 packages/theme/src/theme/*-theme/component.js
+packages/theme/src/aurora-theme
+packages/theme/src/smb-theme
 
 pnpm-lock.yaml
 gulp/bundle.json

packages/theme/src/button/vars.less

@@ -444,7 +444,7 @@
   // 纯图标/文字按钮宽度
   --ti-button-only-icon-width: var(--ti-common-size-7x);
   --ti-button-only-icon-min-width: unset;
-  --ti-button-only-icon-text-width: unset
+  --ti-button-only-icon-text-width: unset;
   // 纯图标按钮水平内边距
   --ti-button-only-icon-padding-horizontal: 7px;
   // 纯图标按钮边框圆角