[FEATURE] Show package name in the main app list window

[ShiroiKuma0]

Is your feature request related to a problem? Please describe.
Sometimes it'd be very beneficial to search/filter apps by package name - partial match, like com.samsung etc - to batch mark them

Describe the solution you'd like
Display each app's package namu in the main-screen list and enable search by package name.

Describe alternatives you've considered
No other useful solution.