[Settings] Avoids disabled component when page start from setup wizard.

Fixs when disable component during system busy, the framework have high possibility to force closing activities on the same task.

test
1. setup a pin code and go through to the anything else page. click "control info on lock screen".
>> The SetupRedactionInterstitial not been disabled.
>> The lock screen can be setup repeatedly.
2. into home screen. using adb command to start SetupRedactionInterstitial.
>> the screen not shown.
3. using adb command to start RedactionInterstitial and click "done".
>> the activity existed normally.

Bug: 158961310
Test: Manual
Change-Id: I09fe95db591d3d3603b2c13623a0873bfab3bac0