Make sure StatusBarContentInsetsProvider for correct display is used

Before, there were still many places retrieving the provider for the
default display, which can return wrong values when on a secondary
display.

Test: atest SystemUITests
Bug: 369337857
Flag: com.android.systemui.status_bar_connected_displays
Change-Id: I7d938e1b53d25817946d2d1da4b67ab9b7735c68