[MaterialContainerTransform] Card Shadow Blinking when returning with Shared Element Transition between Activities

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**Description:** I have already raised a Stack Overflow question for the same: (https://stackoverflow.com/q/71338984/9520315)

**Expected behavior:** The card shouldn't blink while returning from another activity.

**Source code:** "Transition between activities" section of (https://m3.material.io/libraries/mdc-android/motion#container-transform)

**Demonstration Video:** https://youtu.be/fiMzAIcP23o

**Minimal sample app repro:** https://github.com/Sujal1245/WALLisWALL-Wallpaper-App

**App's link:** https://play.google.com/store/apps/details?id=com.Sujal_Industries.wallpapers.WALLisWALL

**Android API version:** 30 (but tested with other versions too and still the same issue)

**Material Library version:** 1.6.0-alpha03

**Device:** Galaxy A50 (but the problem is noticeable in other devices too)

Start by running the minimal sample app repro and reviewing the “Transition between activities” section of the Material Components Android documentation. Reproduce the card-shadow blink when returning from the second activity across the reported Android versions, then verify that the card no longer blinks during the shared element transition.

Written by the indexing model from the issue text.