[LyX/master] Properly disable function

[Juergen Spitzmueller]

commit c5c3323f3254e052f4c201da73b2c4a7d48aaf90
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Thu Aug 27 10:59:15 2020 +0200

    Properly disable function
---
 lib/ui/stdcontext.inc        |    2 +-
 src/insets/InsetCitation.cpp |    6 ++----
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/lib/ui/stdcontext.inc b/lib/ui/stdcontext.inc
index c3156e4..fe6f269 100644
--- a/lib/ui/stdcontext.inc
+++ b/lib/ui/stdcontext.inc
@@ -128,7 +128,7 @@ Menuset
 		CiteStyles
 		Separator
 		Item "Settings...|S" "inset-settings"
-		Item "Try to Open Citation Content...|O" "inset-edit"
+		OptItem "Try to Open Citation Content...|O" "inset-edit"
 	End
 
 
diff --git a/src/insets/InsetCitation.cpp b/src/insets/InsetCitation.cpp
index df722aa..0c4b3fe 100644
--- a/src/insets/InsetCitation.cpp
+++ b/src/insets/InsetCitation.cpp
@@ -193,10 +193,8 @@ bool InsetCitation::openCitationPossible() const
 			return true;
 	}
 
-	// last resort: is external script available?
-	if (!lyxrc.citation_search_view.empty())
-		return true;
-	return false;
+	// last resort: is external script activated?
+	return lyxrc.citation_search;
 }
 
 void InsetCitation::openCitation()