Enable predictive back gesture support (android 14+)

[rayyangh]

Describe your suggested feature

its such a minor enhancement and this should be labeled low priority.

in AndroidManifest.xml, in the tag, set the android:enableOnBackInvokedCallback flag to true.

<application
    ...
    android:enableOnBackInvokedCallback="true"
    ... >
...
</application>

Other details

link to android developer page explaining this feature: https://developer.android.com/guide/navigation/custom-back/predictive-back-gesture

Acknowledgements

• I have searched the existing issues and this is a new ticket, NOT a duplicate or related to another open issue.
• I have written a short but informative title.
• I will fill out all of the requested information in this form.

[Bnyro]

That's already set to true, but the app would need a lot of additional modifications to properly support predictive back gestures.

[Bnyro]

Added in #6863