stop using customTheme in user card, instead use color slots. fix for opacity

inheritance polluting inheritors

src/components/user_card/user_card.js

@@ -4,7 +4,6 @@ import ProgressButton from '../progress_button/progress_button.vue'
 import FollowButton from '../follow_button/follow_button.vue'
 import ModerationTools from '../moderation_tools/moderation_tools.vue'
 import AccountActions from '../account_actions/account_actions.vue'
-import { hex2rgb } from '../../services/color_convert/color_convert.js'
 import generateProfileLink from 'src/services/user_profile_link_generator/user_profile_link_generator'
 import { mapGetters } from 'vuex'
 
@@ -30,21 +29,11 @@ export default {
       }]
     },
     style () {
-      const color = this.$store.getters.mergedConfig.customTheme.colors
-        ? this.$store.getters.mergedConfig.customTheme.colors.bg // v2
-        : this.$store.getters.mergedConfig.colors.bg // v1
-
-      if (color) {
-        const rgb = (typeof color === 'string') ? hex2rgb(color) : color
-        const tintColor = `rgba(${Math.floor(rgb.r)}, ${Math.floor(rgb.g)}, ${Math.floor(rgb.b)}, .5)`
-
-        return {
-          backgroundColor: `rgb(${Math.floor(rgb.r * 0.53)}, ${Math.floor(rgb.g * 0.56)}, ${Math.floor(rgb.b * 0.59)})`,
-          backgroundImage: [
-            `linear-gradient(to bottom, ${tintColor}, ${tintColor})`,
-            `url(${this.user.cover_photo})`
-          ].join(', ')
-        }
+      return {
+        backgroundImage: [
+          `linear-gradient(to bottom, var(--profileTint), var(--profileTint))`,
+          `url(${this.user.cover_photo})`
+        ].join(', ')
       }
     },
     isOtherUser () {

src/components/user_card/user_card.vue

@@ -286,6 +286,7 @@
     mask-size: 100% 60%;
     border-top-left-radius: calc(var(--panelRadius) - 1px);
     border-top-right-radius: calc(var(--panelRadius) - 1px);
+    background-color: var(--profileBg);
 
     &.hide-bio {
       mask-size: 100% 40px;