fix(sidebar): toggle performance issues (#5658)

* refactor: improve observable layout change sharing
* feat: add safe delayed event of layout change
* fix: replace change layout with safe change
* fix: limit front card width to prevent map overflow before repaint

src/app/@core/utils/layout.service.ts

@@ -1,20 +1,26 @@
 import { Injectable } from '@angular/core';
 import { Observable, Subject } from 'rxjs';
-import { delay, share } from 'rxjs/operators';
+import { delay, shareReplay, debounceTime } from 'rxjs/operators';
 
 @Injectable()
 export class LayoutService {
 
   protected layoutSize$ = new Subject();
+  protected layoutSizeChange$ = this.layoutSize$.pipe(
+    shareReplay({ refCount: true }),
+  );
 
   changeLayoutSize() {
     this.layoutSize$.next();
   }
 
   onChangeLayoutSize(): Observable<any> {
-    return this.layoutSize$.pipe(
-      share(),
-      delay(1),
+    return this.layoutSizeChange$.pipe(delay(1));
+  }
+
+  onSafeChangeLayoutSize(): Observable<any> {
+    return this.layoutSizeChange$.pipe(
+      debounceTime(350),
     );
   }
 }