fix(cdk/menu): enable inline popover

Author: adolgachev

src/cdk/menu/context-menu-trigger.ts

@@ -137,6 +137,7 @@ export class CdkContextMenuTrigger extends CdkMenuTriggerBase implements OnDestr
       positionStrategy: this._getOverlayPositionStrategy(coordinates),
       scrollStrategy: this.menuScrollStrategy(),
       direction: this._directionality || undefined,
+      usePopover: true,
     });
   }
 
@@ -150,6 +151,7 @@ export class CdkContextMenuTrigger extends CdkMenuTriggerBase implements OnDestr
     return createFlexibleConnectedPositionStrategy(this._injector, coordinates)
       .withLockedPosition()
       .withGrowAfterOpen()
+      .withPopoverLocation('inline')
       .withPositions(this.menuPosition ?? CONTEXT_MENU_POSITIONS);
   }