Lots of channel related fixes and updates

src/components/messages/channel/MessageOperationsChannel.vue

@@ -0,0 +1,34 @@
+<template>
+  <div :class="{'message-operations':true,'incoming':incoming,'outgoing':!incoming}">
+    <v-btn id="btn-pin" icon @click.stop="pin" class="ma-0 pa-0" v-if="userCanPin && !event.isPinned">
+      <v-icon small>$vuetify.icons.ic_pin_filled</v-icon>
+    </v-btn>
+    <v-btn id="btn-unpin" icon @click.stop="unpin" class="ma-0 pa-0" v-if="userCanPin && event.isPinned">
+      <v-icon small>$vuetify.icons.ic_pin</v-icon>
+    </v-btn>
+  </div>
+</template>
+
+<script>
+import messageMixin from "../messageMixin";
+import messageOperationsMixin from "../messageOperationsMixin";
+
+export default {
+  mixins: [messageMixin, messageOperationsMixin],
+  data() {
+    return {}
+  },
+  props: {
+    userCanPin: {
+      type: Boolean,
+      default: function () {
+        return false;
+      }
+    },
+  },
+};
+</script>
+
+<style lang="scss">
+@import "@/assets/css/chat.scss";
+</style>