fix timezone při editaci kola

Bez tohoto, se mi v tom formuláři zobrazují časy v UTC tj. tak, jak jsou v databázi.

mo/web/org_round.py

@@ -346,6 +346,11 @@ class MODateTimeField(wtforms.DateTimeField):
     def __init__(self, label, format='%Y-%m-%d %H:%M', description='Ve formátu 2000-01-01 12:34', **kwargs):
         super().__init__(label, format=format, description=description, **kwargs)
 
+    def process_data(self, valuelist):
+        super().process_formdata(valuelist)
+        if self.data is not None:
+            self.data = self.data.astimezone()
+
     def process_formdata(self, valuelist):
         super().process_formdata(valuelist)
         if self.data is not None: