Add the function of collectively selecting and operating pictures.

[HMJ0628]

Expected behavior

Users can select several pictures and operate them at the same time.

Actual behavior

Users can only operate on each picture separately.

Steps to reproduce the behavior

1. click "Media"
2. click a picture
3. operate the picture

Tested on [device], Android [version], JPAndroid / WPAndroid [version]

vivo S19 5G, Android 14, Jetpack 25.2.1 (1444)/WordPress 25.2.1 (1444)

[dangermattic]

Thanks for reporting! 👍