[popover2] fix: wrong position when ContextMenu2 invoked from Drawer

packages/popover2/src/contextMenu2.tsx

@@ -110,7 +110,7 @@ export interface ContextMenu2Props
      * A limited subset of props to forward along to the popover generated by this component.
      */
     popoverProps?: IOverlayLifecycleProps &
-        Pick<Popover2Props, "popoverClassName" | "transitionDuration" | "popoverRef">;
+        Pick<Popover2Props, "popoverClassName" | "transitionDuration" | "popoverRef" | "rootBoundary">;
 
     /**
      * HTML tag to use for container element. Only used if this component's children are specified as
@@ -129,11 +129,13 @@ export const ContextMenu2: React.FC<ContextMenu2Props> = React.forwardRef<any, C
         content,
         disabled = false,
         onContextMenu,
-        popoverProps,
+        popoverProps = {},
         tagName = "div",
         ...restProps
     } = props;
 
+    const { rootBoundary = "viewport", ...popoverPropsRest } = popoverProps;
+
     // ancestor Tooltip2Context state doesn't affect us since we don't care about parent ContextMenu2s, we only want to
     // force disable parent Tooltip2s in certain cases through dispatching actions
     // N.B. any calls to this dispatch function will be no-ops if there is no Tooltip2Provider ancestor of this component
@@ -185,7 +187,7 @@ export const ContextMenu2: React.FC<ContextMenu2Props> = React.forwardRef<any, C
     const maybePopover =
         menu === undefined ? undefined : (
             <Popover2
-                {...popoverProps}
+                {...popoverPropsRest}
                 content={
                     // this prevents right-clicking inside our context menu
                     <div onContextMenu={cancelContextMenu}>{menu}</div>
@@ -204,7 +206,7 @@ export const ContextMenu2: React.FC<ContextMenu2Props> = React.forwardRef<any, C
                 })}
                 placement="right-start"
                 positioningStrategy="fixed"
-                rootBoundary="viewport"
+                rootBoundary={rootBoundary}
                 renderTarget={renderTarget}
                 transitionDuration={popoverProps?.transitionDuration ?? 100}
             />