Switch to side-by-side view

--- a
+++ b/tests/lyx/lyx.txt
@@ -0,0 +1,10 @@
+Recoll query: ((bienvenue:(wqf=11) AND dans:(wqf=11) AND univers:(wqf=11) AND de:(wqf=11) AND lyx:(wqf=11)))
+1 results 
+application/x-lyx	[file:///home/dockes/projets/fulltext/testrecoll/lyx/fr_splash.lyx]	[fr_splash.lyx]	3577	bytes	
+Recoll query: ((welcome:(wqf=11) AND to:(wqf=11) AND lyx:(wqf=11)))
+2 results 
+application/x-lyx	[file:///home/dockes/projets/fulltext/testrecoll/lyx/splash.lyx]	[splash.lyx]	2974	bytes	
+text/plain	[file:///home/dockes/projets/fulltext/testrecoll/filenames/filenames.txt]	[filenames.txt]	8617039	bytes	
+Recoll query: ((udvozli:(wqf=11) AND ont:(wqf=11) AND a:(wqf=11) AND lyx:(wqf=11)))
+1 results 
+application/x-lyx	[file:///home/dockes/projets/fulltext/testrecoll/lyx/hu_splash.lyx]	[hu_splash.lyx]	4773	bytes