some fixes

src/components/appSearchSuper..ts

@@ -55,6 +55,7 @@ import safeAssign from "../helpers/object/safeAssign";
 import escapeRegExp from "../helpers/string/escapeRegExp";
 import limitSymbols from "../helpers/string/limitSymbols";
 import findAndSplice from "../helpers/array/findAndSplice";
+import { ScrollStartCallbackDimensions } from "../helpers/fastSmoothScroll";
 
 //const testScroll = false;
 
@@ -297,6 +298,8 @@ export default class AppSearchSuper {
   private searchContextMenu: SearchContextMenu;
   public selection: SearchSelection;
 
+  public scrollStartCallback: (dimensions: ScrollStartCallbackDimensions) => void;
+
   constructor(options: Pick<AppSearchSuper, 'mediaTabs' | 'scrollable' | 'searchGroups' | 'asChatList' | 'groupByMonth' | 'hideEmptyTabs' | 'onChangeTab' | 'showSender'>) {
     safeAssign(this, options);
 
@@ -407,7 +410,8 @@ export default class AppSearchSuper {
       if(this.prevTabId === id && !this.skipScroll) {
         this.scrollable.scrollIntoViewNew({
           element: this.container, 
-          position: 'start'
+          position: 'start',
+          startCallback: this.scrollStartCallback
         });
         return;
       }
@@ -432,7 +436,8 @@ export default class AppSearchSuper {
         if(scrollTop < offsetTop) {
           this.scrollable.scrollIntoViewNew({
             element: this.container, 
-            position: 'start'
+            position: 'start',
+            startCallback: this.scrollStartCallback
           });
           scrollTop = offsetTop;
         }

src/components/chat/bubbles.ts

@@ -2377,6 +2377,7 @@ export default class ChatBubbles {
     if(!peerId) {
       this.cleanup(true);
       this.peerId = peerId;
+      this.preloader.detach();
       return null;
     }
 

src/components/sidebarRight/tabs/sharedMedia.ts

@@ -98,7 +98,10 @@ export default class AppSharedMediaTab extends SliderSuperTab {
       if(!rect.width) return;
 
       const top = rect.top - 1;
-      const isSharedMedia = top <= HEADER_HEIGHT;
+      setIsSharedMedia(top <= HEADER_HEIGHT);
+    };
+
+    const setIsSharedMedia = (isSharedMedia: boolean) => {
       animatedCloseIcon.classList.toggle('state-back', isSharedMedia);
       this.searchSuper.container.classList.toggle('is-full-viewport', isSharedMedia);
       transition(+isSharedMedia);
@@ -208,6 +211,10 @@ export default class AppSharedMediaTab extends SliderSuperTab {
       }
     });
 
+    this.searchSuper.scrollStartCallback = () => {
+      setIsSharedMedia(true);
+    };
+
     this.profile.element.append(this.searchSuper.container);
 
     const btnAddMembers = ButtonCorner({icon: 'addmember_filled'});

src/lib/mtproto/apiManager.ts

@@ -32,6 +32,7 @@ import Modes from '../../config/modes';
 import bytesFromHex from '../../helpers/bytes/bytesFromHex';
 import bytesToHex from '../../helpers/bytes/bytesToHex';
 import isObject from '../../helpers/object/isObject';
+import { pause } from '../../helpers/schedulers/pause';
 
 /// #if !MTPROTO_WORKER
 import rootScope from '../rootScope';
@@ -40,7 +41,6 @@ import rootScope from '../rootScope';
 /// #if MTPROTO_AUTO
 import transportController from './transports/controller';
 import MTTransport from './transports/transport';
-import { pause } from '../../helpers/schedulers/pause';
 /// #endif
 
 /* var networker = apiManager.cachedNetworkers.websocket.upload[2];

src/lib/mtproto/dcConfigurator.ts

@@ -13,6 +13,7 @@ import MTTransport, { MTConnectionConstructable } from './transports/transport';
 import Modes from '../../config/modes';
 import App from '../../config/app';
 import indexOfAndSplice from '../../helpers/array/indexOfAndSplice';
+import { MOUNT_CLASS_TO } from '../../config/debug';
 
 /// #if MTPROTO_HAS_HTTP
 import HTTP from './transports/http';
@@ -162,4 +163,6 @@ export class DcConfigurator {
   }
 }
 
-export default new DcConfigurator();
+const dcConfigurator = new DcConfigurator();
+MOUNT_CLASS_TO && (MOUNT_CLASS_TO.dcConfigurator = dcConfigurator);
+export default dcConfigurator;

src/lib/mtproto/networker.ts

@@ -1644,7 +1644,9 @@ export default class MTPNetworker {
   } */
 
   private applyServerTime(messageId: string) {
-    return timeManager.applyServerTime(bigInt(messageId).shiftRight(32).toJSNumber());
+    const serverTime = bigInt(messageId).shiftRight(32).toJSNumber();
+    this.log('applying server time', serverTime);
+    return timeManager.applyServerTime(serverTime);
   }
 
   // * https://core.telegram.org/mtproto/service_messages_about_messages#notice-of-ignored-error-message
@@ -1717,7 +1719,11 @@ export default class MTPNetworker {
           case 32:    // * msg_seqno too low
           case 33:    // * msg_seqno too high
           case 64: {  // * invalid container
-            if(message.error_code === 17 || changedTimeOffset) {
+            if(changedTimeOffset === undefined) {
+              this.applyServerTime(messageId);
+            }
+
+            if(message.error_code === 17) {
               this.log('Update session');
               this.updateSession();
             }