[orca] Exclude static-text leaf nodes when checking for and caching selected text

[Joanmarie Diggs <joanied src gnome org>]

commit 27ccb1100a483e01a238e5cbc2dd5be66989984f
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Tue Apr 23 03:22:46 2019 -0400

    Exclude static-text leaf nodes when checking for and caching selected text

 src/orca/scripts/web/script_utilities.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/src/orca/scripts/web/script_utilities.py b/src/orca/scripts/web/script_utilities.py
index 094a5a575..591e9710f 100644
--- a/src/orca/scripts/web/script_utilities.py
+++ b/src/orca/scripts/web/script_utilities.py
@@ -1631,6 +1631,9 @@ class Utilities(script_utilities.Utilities):
         return contents
 
     def hasPresentableText(self, obj):
+        if self.isStaticTextLeaf(obj):
+            return False
+
         text = self.queryNonEmptyText(obj)
         if not text:
             return False
@@ -1653,7 +1656,7 @@ class Utilities(script_utilities.Utilities):
             return True
 
         handled = False
-        descendants = pyatspi.findAllDescendants(obj, lambda x: self.hasPresentableText)
+        descendants = self.findAllDescendants(obj, self.hasPresentableText)
         for descendant in descendants:
             if handled:
                 super().updateCachedTextSelection(descendant)