"Action only available to the Blizzard UI" error when copying name from whisper

[thefowles1]

Describe the bug
When copying a character name from any /w conversation, the "Prat-3.0 has been blocked from an action only available to the Blizzard UI" error message appears, the name does not get copied, and bugsack reports the following in its capture:

2x [ADDON_ACTION_FORBIDDEN] AddOn 'Prat-3.0-3.9.47' tried to call the protected function 'CopyToClipboard()'.
[string "@!BugGrabber/BugGrabber.lua"]:485: in function <!BugGrabber/BugGrabber.lua:485>
[string "=[C]"]: in function \`CopyToClipboard'
[string "@SharedXML/UnitPopupSharedButtonMixins.lua"]:1125: in function \`OnClick'
[string "@SharedXML/UnitPopupShared.lua"]:148: in function \`func'
[string "@SharedXML/UIDropDownMenu.lua"]:1019: in function \`UIDropDownMenuButton_OnClick'
[string "*UIDropDownMenuTemplates.xml:134_OnClick"]:1: in function <[string "*UIDropDownMenuTemplates.xml:134_OnClick"]:1>

Locals:
_ = Frame {
 RegisterEvent = <function> defined @!BugGrabber/BugGrabber.lua:491
 0 = <userdata>
 UnregisterEvent = <function> defined @!BugGrabber/BugGrabber.lua:491
  SetScript = <function> defined @!BugGrabber/BugGrabber.lua:491
}
event = "ADDON_ACTION_FORBIDDEN"
events = <table> {
 ADDON_ACTION_BLOCKED = <function> defined @!BugGrabber/BugGrabber.lua:557
 ADDON_ACTION_FORBIDDEN = <function> defined @!BugGrabber/BugGrabber.lua:557
 PLAYER_LOGIN = <function> defined @!BugGrabber/BugGrabber.lua:551
 LUA_WARNING = <function> defined @!BugGrabber/BugGrabber.lua:566
 ADDON_LOADED = <function> defined @!BugGrabber/BugGrabber.lua:511
}

To Reproduce
Steps to reproduce the behavior:

1. Begin a /w conversation with any character
2. Right click name in /w conversation and "copy character name"
3. See error

Expected behavior
Character name is copied to clipboard, at minimum error does not appear

Screenshots

Version Information (please complete the following information):

• WoW version: 10.2.5 (53262)
• Prat Version: [1]="Prat |3.0| (|3.9.47|)"

Addons you are running
Tested with 0 additional addons running, only Prat and Prat libraries

[plusmouse]

I've replicated the bug on my device. Haven't figured out a fix yet