feat: Support remove_blink to remove blink table semantics in serve…

…r-side Python (#5958)

`removeBlink` is used by the Java API to disable the specialized
aggregation semantics that blink tables implement. This wrapper adds the
functionality to disable those semantics from the Python API.

py/server/deephaven/table.py

@@ -816,6 +816,10 @@ def flatten(self) -> Table:
         """Returns a new version of this table with a flat row set, i.e. from 0 to number of rows - 1."""
         return Table(j_table=self.j_table.flatten())
 
+    def remove_blink(self) -> Table:
+        """Returns a non-blink child table, or this table if it is not a blink table."""
+        return Table(j_table=self.j_table.removeBlink())
+
     def snapshot(self) -> Table:
         """Returns a static snapshot table.
 

py/server/tests/test_table.py

@@ -930,6 +930,12 @@ def test_attributes(self):
         self.assertEqual(len(attrs), len(rt_attrs) + 1)
         self.assertIn("BlinkTable", set(attrs.keys()) - set(rt_attrs.keys()))
 
+    def test_remove_blink(self):
+        t_blink = time_table("PT1s", blink_table=True)
+        t_no_blink = t_blink.remove_blink()
+        self.assertEqual(t_blink.is_blink, True)
+        self.assertEqual(t_no_blink.is_blink, False)
+
     def test_grouped_column_as_arg(self):
         t1 = empty_table(100).update(
             ["id = i % 10", "Person = random() > 0.5 ? true : random() > 0.5 ? false : true"]).sort(