[orca] Don't add pause between status bar children whose speech ends with pause

[Joanmarie Diggs <joanied src gnome org>]

commit 2b4d7870cd442a7d5a48aeff3c40592daffca6a2
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Sat May 9 13:24:49 2020 -0400

    Don't add pause between status bar children whose speech ends with pause
    
    _generateStatusBar() calls generate() for each child. Depending on the
    role of that child, there may already be a pause added.

 src/orca/speech_generator.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/src/orca/speech_generator.py b/src/orca/speech_generator.py
index 9b52d8a71..1c9ae18e9 100644
--- a/src/orca/speech_generator.py
+++ b/src/orca/speech_generator.py
@@ -2332,7 +2332,8 @@ class SpeechGenerator(generator.Generator):
             childResult = self.generate(child, includeContext=False)
             if childResult:
                 result.extend(childResult)
-                result.extend(self._generatePause(child, **args))
+                if not isinstance(childResult[-1], Pause):
+                    result.extend(self._generatePause(child, **args))
 
         return result