Make icons smaller & change plus icon

aleksis/apps/chronos/frontend/components/substitutions/SubstitutionCard.vue

@@ -69,7 +69,7 @@ import createOrPatchMixin from "aleksis.core/mixins/createOrPatchMixin.js";
             class="mb-1"
             small
           >
-            <v-icon left>mdi-cancel</v-icon>
+            <v-icon left small>mdi-cancel</v-icon>
             <div class="text-decoration-line-through">
               {{ room.shortName ? room.shortName : room.name }}
             </div>
@@ -87,7 +87,7 @@ import createOrPatchMixin from "aleksis.core/mixins/createOrPatchMixin.js";
             color="success"
             @click:close="removeRoom(data.item)"
           >
-            <v-icon left> mdi-plus-circle-outline </v-icon>
+            <v-icon left small> mdi-plus </v-icon>
             {{ data.item.shortName ? data.item.shortName : data.item.name }}
           </v-chip>
         </template>
@@ -119,7 +119,7 @@ import createOrPatchMixin from "aleksis.core/mixins/createOrPatchMixin.js";
                 v-on="on"
                 v-bind="attrs"
               >
-                <v-icon left>mdi-account-off-outline</v-icon>
+                <v-icon left small>mdi-account-off-outline</v-icon>
                 <div class="text-decoration-line-through">
                   {{ teacher.fullName }}
                 </div>
@@ -144,7 +144,7 @@ import createOrPatchMixin from "aleksis.core/mixins/createOrPatchMixin.js";
                 @click:close="removeTeacher(data.item)"
                 v-on="on"
               >
-                <v-icon left v-if="getTeacherStatus(data.item) === 'new'">
+                <v-icon left small v-if="getTeacherStatus(data.item) === 'new'">
                   mdi-account-plus-outline
                 </v-icon>
                 {{ data.item.fullName }}