changing back title color

Author: Jialecl

lib/src/common/variables.js

@@ -954,7 +954,7 @@ export const componentTokens = {
     groupTitleFontSize: globalTokens.type_scale_02,
     groupTitleFontStyle: globalTokens.type_normal,
     groupTitleFontWeight: globalTokens.type_semibold,
-    groupTitleFontColor: globalTokens.color_grey_800,
+    groupTitleFontColor: globalTokens.black,
     groupTitleHoverBackgroundColor: globalTokens.hal_grey_l_90,
     groupTitleActiveBackgroundColor: globalTokens.hal_grey_l_80,
     groupTitleSelectedFontColor: globalTokens.white,