app: Set app as enabled only when the daemon is enabled

- For avahi, datetime and SSH.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>

plinth/modules/avahi/__init__.py

@@ -82,6 +82,7 @@ def init():
     """Intialize the service discovery module."""
     global app
     app = AvahiApp()
+    if app.is_enabled():
         app.set_enabled(True)
 
 

plinth/modules/datetime/__init__.py

@@ -68,6 +68,7 @@ def init():
     """Intialize the date/time module."""
     global app
     app = DateTimeApp()
+    if app.is_enabled():
         app.set_enabled(True)
 
 

plinth/modules/ssh/__init__.py

@@ -75,6 +75,7 @@ def init():
     """Intialize the ssh module."""
     global app
     app = SSHApp()
+    if app.is_enabled():
         app.set_enabled(True)