Fix minor conversion required for Python3.14

Signed-off-by: Patrick Avery <patrick.avery@kitware.com>

Author: psavery

hexrdgui/instrument_form_view_widget.py

@@ -592,7 +592,7 @@ def beam_vector_is_finite(self):
 
     @beam_vector_is_finite.setter
     def beam_vector_is_finite(self, b):
-        self.ui.beam_vector_is_finite.setChecked(b)
+        self.ui.beam_vector_is_finite.setChecked(bool(b))
 
     def set_beam_vector_is_finite(self, b):
         self.beam_vector_is_finite = b