Fixes for Trevor's crazy half-baked commit

Fix things that 4aa86d0f8 broke:
* Update surface parameter to windowSet in all ve.ui.SurfaceDialog subclasses
* Do the same for ve.ui.SurfaceInspector subclasses
* Fix @extends documentation for SurfaceDialog
* Fix documentation for ve.ui.SurfaceInspector, copypasta from SurfaceDialog

Bonus:
* Add .getMetaList() getter to dm.Surface

Change-Id: I843e99e45e9b013cb9cb559f050384d39bbbddf2
Merge "Fixes for Trevor's crazy half-baked commit"