Small behavior improvement

app/src/main/java/eu/faircode/email/FragmentAccounts.java

@@ -399,7 +399,7 @@ public class FragmentAccounts extends FragmentBase {
                 if (outbox)
                     ServiceSend.start(context);
 
-                if (!now)
+                if (!now && !args.getBoolean("force"))
                     throw new IllegalArgumentException(context.getString(R.string.title_no_connection));
 
                 return null;

app/src/main/java/eu/faircode/email/FragmentFolders.java

@@ -421,7 +421,7 @@ public class FragmentFolders extends FragmentBase {
                 if (outbox)
                     ServiceSend.start(context);
 
-                if (!now)
+                if (!now && !args.getBoolean("force"))
                     throw new IllegalArgumentException(context.getString(R.string.title_no_connection));
 
                 return null;

app/src/main/java/eu/faircode/email/FragmentMessages.java

@@ -1607,7 +1607,7 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
                 else
                     ServiceSynchronize.eval(context, "refresh");
 
-                if (!now)
+                if (!now && !args.getBoolean("force"))
                     throw new IllegalArgumentException(context.getString(R.string.title_no_connection));
 
                 return null;