bug(mat-menu): Nested submenu arrow faces wrong direction in RTL (should be flipped)

[anisabboud]

Is this a regression?

• Yes, this behavior used to work in the previous version

The previous version in which this bug was not present was

No response

Description

Try https://ng-comp-devapp.web.app/menu Nested menu:

LTR works fine:

RTL submenu arrows face the wrong direction:

Reproduction

https://ng-comp-devapp.web.app/menu

Expected Behavior

Arrows should face left in RTL.

Actual Behavior

Arrows face the same direction in RTL & LTR.

Environment

• Angular: 17.3.2
• CDK/Material: 17.3.2

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