message: fix(dropdown): fix dropup bs3 position
diff: @@ -248,6 +248,7 @@ export class BsDropdownDirective implements OnInit, OnDestroy {
  if (this._showInline) {
  this.removeShowClass();
  + this.removeDropupStyles();
  this._isInlineOpen = false;
  this.onHidden.emit(true);
  } else {
  @@ -281,7 +282,7 @@ export class BsDropdownDirective implements OnInit, OnDestroy {
  if (!isBs3()) {
  this.addShowClass();
  this.checkRightAlignment();
  - this.checkDropup();
  + this.addDropupStyles();
  }
  }
  @@ -315,7 +316,7 @@ export class BsDropdownDirective implements OnInit, OnDestroy {
  }
  }
  - private checkDropup(): void {
  + private addDropupStyles(): void {
  if (this._inlinedMenu && this._inlinedMenu.rootNodes[0]) {
  // a little hack to not break support of bootstrap 4 beta
  this._renderer.setStyle(
  @@ -330,4 +331,11 @@ export class BsDropdownDirective implements OnInit, OnDestroy {
  );
  }
  }
  +
  + private removeDropupStyles(): void {
  + if (this._inlinedMenu && this._inlinedMenu.rootNodes[0]) {
  + this._renderer.removeStyle(this._inlinedMenu.rootNodes[0], 'top');
  + this._renderer.removeStyle(this._inlinedMenu.rootNodes[0], 'transform');
  + }
  + }
  }
  