Fix some bugs in UI

[javipacheco]

• Paddings in List of Apps and Contacts Dialog
• Items selected in apps and contacts
• New preference for selected items in scrolling
• Micro coloured in search bar
• Adapt animations in toolbar when the user out from collection detail
• Review animation between apps and contacts in app drawer

[javipacheco]

QA Steps:

• Check paddings in List of Apps and Contacts Dialog
• Check that the items are selected in apps and contacts dialog in scrolling
• Uncheck select items during scrolling in preferences and verify that items aren't selected there
• Micro coloured in search bar when preference is selected
• Drag apps to AppDrawer button and the top bar are hidden

[franciscodr]

All the tasks are done and work as expected.

Only one comment, the items are selected but not underlined when scrolling in apps dialog.

[javipacheco]

Thanks. We'll review that in other issue