Update `Display default` checkbox label

Replace label for `Show default properties` and add tooltip explaining
what this checkbox is used for

Test: Open winscope
Merged-In: I39de3e1d7c203d5273084bd54c4d2f749e8e6f5f
Change-Id: I39de3e1d7c203d5273084bd54c4d2f749e8e6f5f
1 file changed