Add badges to status interacting buttons

Now, the following badges will be added:
0: (+) sign to reply, favourite, repeat, react and extra buttons
1: (-) sign to unfavourite and unrepeat
2: (x) sign to close reply form, close react popover, and close extra buttons popover
3: Check mark to favourited and repeated statuses

https://git.pleroma.social/pleroma/pleroma-fe/-/issues/1092

src/components/favorite_button/favorite_button.js

@@ -1,13 +1,21 @@
 import { mapGetters } from 'vuex'
 import { library } from '@fortawesome/fontawesome-svg-core'
-import { faStar } from '@fortawesome/free-solid-svg-icons'
+import {
+  faStar,
+  faPlus,
+  faMinus,
+  faCheck
+} from '@fortawesome/free-solid-svg-icons'
 import {
   faStar as faStarRegular
 } from '@fortawesome/free-regular-svg-icons'
 
 library.add(
   faStar,
-  faStarRegular
+  faStarRegular,
+  faPlus,
+  faMinus,
+  faCheck
 )
 
 const FavoriteButton = {

src/components/favorite_button/favorite_button.vue

@@ -7,11 +7,31 @@
       :title="$t('tool_tip.favorite')"
       @click.prevent="favorite()"
     >
-      <FAIcon
-        class="fa-scale-110 fa-old-padding"
-        :icon="[status.favorited ? 'fas' : 'far', 'star']"
-        :spin="animated"
-      />
+      <FALayers class="fa-scale-110 fa-old-padding-layer">
+        <FAIcon
+          class="fa-scale-110"
+          :icon="[status.favorited ? 'fas' : 'far', 'star']"
+          :spin="animated"
+        />
+        <FAIcon
+          v-if="status.favorited"
+          class="active-marker"
+          transform="shrink-6 up-9 right-12"
+          icon="check"
+        />
+        <FAIcon
+          v-if="!status.favorited"
+          class="focus-marker"
+          transform="shrink-6 up-9 right-12"
+          icon="plus"
+        />
+        <FAIcon
+          v-else
+          class="focus-marker"
+          transform="shrink-6 up-9 right-12"
+          icon="minus"
+        />
+      </FALayers>
     </button>
     <span v-else>
       <FAIcon
@@ -57,6 +77,19 @@
       color: $fallback--cOrange;
       color: var(--cOrange, $fallback--cOrange);
     }
+
+    .focus-marker {
+      visibility: hidden;
+    }
+
+    &:hover, &:focus {
+      .focus-marker {
+        visibility: visible;
+      }
+      .active-marker {
+        visibility: hidden;
+      }
+    }
   }
 }
 </style>