issue :: 대화창 오픈시 이전대화보기 버튼 출력후, 대화 불러오기 화면출력

projects/ucap-webmessenger-ui-chat/src/lib/components/messages.component.html

@@ -16,6 +16,7 @@
     <div
       *ngIf="eventRemained && !!eventList && eventList.length > 0"
       class="message-row view-previous"
+      [class.hide]="!showMore"
     >
       <button mat-button (click)="onClickMore($event)" class="bg-accent-dark">
         <svg

projects/ucap-webmessenger-ui-chat/src/lib/components/messages.component.ts

@@ -551,6 +551,7 @@ export class MessagesComponent implements OnInit, OnDestroy {
           this.readToHereEvent,
           () => {},
           () => {
+            this.showMore = true;
             this.firstCheckReadHere = false;
           },
           false,