Implements word wrap for function signatures (or any other long single item hint list)
Commented out extension icon hover states.
Makes reformatting code hints explicit.

Adds a handleWideResults to hint responses (only active for function signature hints right now).
The CodeHintList changes the styling and behavior a bit to suit.
Clarify the "availableWidth" formula per review comment.
Merge pull request #3916 from adobe/dangoor/3610-long-sig

Implements word wrap for function signatures (merging after fixing "minor comment" from @redmunds).
Merge pull request #3937 from adobe/alf

ALF Automation
Merge pull request #3934 from adobe/larz/removed-extension-icon-hover

Commented out extension icon hover states.
Updated by ALF automation.