update translations for 6.0/master

and force-fix errors using pocheck

Change-Id: Ie978deb62c62ea4ad661ea45d155bdd4b0d1f811

source/ti/desktop/messages.po

@@ -667,9 +667,10 @@ msgid "Extension Manager"
 msgstr ""
 
 #: extensionmanager.ui:82
+#, fuzzy
 msgctxt "extensionmanager|optionsbtn"
 msgid "_Options"
-msgstr ""
+msgstr "መማረፂታት"
 
 #: extensionmanager.ui:96
 msgctxt "extensionmanager|updatebtn"
@@ -677,9 +678,10 @@ msgid "Check for _Updates"
 msgstr ""
 
 #: extensionmanager.ui:111
+#, fuzzy
 msgctxt "extensionmanager|addbtn"
 msgid "_Add"
-msgstr ""
+msgstr "መወሰኪ"
 
 #: extensionmanager.ui:128
 msgctxt "extensionmanager|removebtn"