fix text not display when NodeFloatEdit is created

Author: ArnoChenFx

NodeGraphQt/widgets/node_widgets.py

@@ -268,6 +268,7 @@ def __init__(self, parent=None, name='', label='', value=0.0):
         validator = QtGui.QRegExpValidator(regex, self._ledit)
         self._ledit.setValidator(validator)
         self.text = str(value)
+        self._ledit.setText(self.text)
 
     @property
     def value(self):