Only check for remove drag coordinates when remove is available.

This changelist ensures that CommunalHub only updates the remove state
based on dragging only when remove is available.

Test: atest CommunalHubUtilsTest#sPointerWithinEnabledRemoveButton_ensureDisabledStatePriority
Fixes: 341072351
Flag: EXEMPT bugfix
Change-Id: Ifa51aee8f21862b1da74070e9cbc737c5d55aa95
2 files changed