fix for 118912: atomic deletion of emoticons

r=glazman; sr=kin

editor/ui/composer/content/EditorContent.css

@@ -84,7 +84,7 @@ span.moz-smiley-s16
   padding-left: 20px; 
   background-repeat: no-repeat; 
   background-position: center center;
-
+  -moz-user-select: all;
 
 }
 

themes/classic/messenger/messageBody.css

@@ -166,6 +166,7 @@ span.moz-smiley-s16
   padding-left: 20px; 
   background-repeat: no-repeat; 
   background-position: center center;
+  -moz-user-select: all;
 }
 
 span.moz-smiley-s1 > span,

themes/modern/messenger/messageBody.css

@@ -165,6 +165,7 @@ span.moz-smiley-s16
   padding-left: 20px; 
   background-repeat: no-repeat; 
   background-position: center center;
+  -moz-user-select: all;
 }
 
 span.moz-smiley-s1 > span,