[orca] Don't allow static text leaf nodes to have caret context

[Joanmarie Diggs <joanied src gnome org>]

commit b555bb56849afd92691e56e1e195660c2d88554d
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Fri May 10 21:56:49 2019 +0200

    Don't allow static text leaf nodes to have caret context

 src/orca/scripts/web/script_utilities.py | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/src/orca/scripts/web/script_utilities.py b/src/orca/scripts/web/script_utilities.py
index 7a9eda345..cb8e70050 100644
--- a/src/orca/scripts/web/script_utilities.py
+++ b/src/orca/scripts/web/script_utilities.py
@@ -3670,6 +3670,10 @@ class Utilities(script_utilities.Utilities):
             msg = "WEB: Pseudo element cannot have caret context %s" % obj
             debug.println(debug.LEVEL_INFO, msg, True)
             return False
+        if self.isStaticTextLeaf(obj):
+            msg = "WEB: Static text leaf cannot have caret context %s" % obj
+            debug.println(debug.LEVEL_INFO, msg, True)
+            return False
 
         return True