fix: apply correct opacity for secondary text (#9495)
fix: apply correct opacity for secondary text (#9495)

fixes #9366

* fix:fix opacity for secondary text folloing by md2

* fix: change 6 to 0.6

* fix: fix spacing
vuetifyjs/vuetify,Webifi/vuetify,Webifi/vuetify,vuetifyjs/vuetify,vuetifyjs/vuetify,vuetifyjs/vuetify,Webifi/vuetify