[orca] Don't speak the text at cursor for new mouse-review object

[Joanmarie Diggs <joanied src gnome org>]

commit 6d48f061c160f7223ac5c7892a038f8f0ed736ec
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Fri Jul 12 12:52:57 2019 -0400

    Don't speak the text at cursor for new mouse-review object

 src/orca/speech_generator.py | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/src/orca/speech_generator.py b/src/orca/speech_generator.py
index 0017c55b6..ae68962ca 100644
--- a/src/orca/speech_generator.py
+++ b/src/orca/speech_generator.py
@@ -986,6 +986,9 @@ class SpeechGenerator(generator.Generator):
         array if this is not a text object.]]]
         """
 
+        if args.get('inMouseReview'):
+            return []
+
         result = self._generateSubstring(obj, **args)
         if result and result[0]:
             return result