Open p-tags after skipping over sol-transparent tags

* Added a new parser test.
* Looks like 2 selser tests are "passing".
* Other wt2html changes for failing tests seem reasonable.
* Fixes problem reported in Bug 67554.

Bug: 67554

Change-Id: Ifdf22f6380b2d1883e0fcbd7222aef692f5c4a67
Merge "Open p-tags after skipping over sol-transparent tags"