Submit password if the entry box is activated.

src/virtManager/details.py

@@ -325,6 +325,7 @@ class vmmDetails(gobject.GObject):
             "on_details_menu_send_caf12_activate": self.send_key,
             "on_details_menu_send_printscreen_activate": self.send_key,
 
+            "on_console_auth_password_activate": self.auth_login,
             "on_console_auth_login_clicked": self.auth_login,
             })
 

src/vmm-details.glade

@@ -612,6 +612,7 @@
                         <property name="can_focus">True</property>
                         <property name="visibility">False</property>
                         <property name="invisible_char">*</property>
+                        <signal name="activate" handler="on_console_auth_password_activate"/>
                       </widget>
                       <packing>
                         <property name="left_attach">1</property>