fix(layouts): and fix thumbnail in touch and update migration guide for 3.8 release (#4052)

platform/docs/docs/migration-guide/from-3p7-to-3p8.md

@@ -135,3 +135,8 @@ Additional Resources
 ## leftPanelDefaultClosed and rightPanelDefaultClosed
 
 Now they are renamed to `leftPanelClosed` and `rightPanelClosed` respectively.
+
+
+## StudyInstanceUID in the URL param
+
+Previously there were two params that you could choose: seriesInstanceUID and seriesInstanceUIDs, they have been replaced with seriesInstanceUIDs so even if you would like to filter one series use ``seriesInstanceUIDs`

platform/docs/docs/platform/services/data/StateSyncService.md

@@ -69,7 +69,6 @@ list as state stores are added:
 * `viewportGridStore` has viewport grid restore information for returning to an earlier grid layout.
 * `reuseIdMap` has a map of names to display sets for preserving user changes to hp display set selections.
 * `hanging` has a map of the hanging protocol stage information applied (HPInfo)
-* `toggleHangingProtocol` has the previously applied hanging protocol, to toggle an HP off.
 
 ### Cornerstone Extension Stores