Enable multi select for right-click context menu actions

[allendema]

Is your feature request related to a problem? Please describe.

Unable to select multiple packages at once to then use the right-click context menu and ignore current update.

Currently only one package is doable,
which becomes very slow (multiple seconds for the refresh) when there are multiple packages i.e for flatkpak.

Describe the solution you'd like

Able to select multiple package at once to then use the right-click context menu and then ignore current update.

Describe alternatives you've considered

There is the option called "select all" but it is only used for updates and not for further right-click conext menu actions.

Additional context