radius: hide rows in table until deadline passes

until the student makes an initial submission and the initial submission
deadline has passed, it does not make sense to display all the rows of
the table, because the peer review will not be filled in, and the student
may not be eligle for making a final submission if they do not make an
initial one.

orbit/radius.py

@@ -481,6 +481,16 @@ def body(self):
                 <td colspan="3">-</td>
               </tr>
             """
+        if (not self.init or
+            (int(datetime.now().timestamp())
+             < self.assignment.initial_due_date)):
+            return f"""
+              {self.gradeable_row('Initial Submission', self.init, self.oopsie_button())}
+              <tr>
+                <th>Automated Feedback</th>
+                <td colspan="3">-</td>
+              </tr>
+            """
         return f"""
           {self.gradeable_row('Initial Submission', self.init, self.oopsie_button())}
           <tr>