[refactoring] change name of cons rule to coarse_step

comparator.py

@@ -271,7 +271,7 @@ class Comparator(Aggregator, HDF5Container):
             series["mempc2"][run].append(mempc2)
         return series
 
-    def _extract_cons_from_log(self, series, log_filename, run):
+    def _extract_coarse_step_from_log(self, series, log_filename, run):
         rism = self.pp_params.input.ramses_ism
         nlines = 2 + int(rism)  # Number of useful lines
         cmd_grep = "grep 'Main step' {} -A {}".format(log_filename, nlines - 1)
@@ -576,12 +576,12 @@ class Comparator(Aggregator, HDF5Container):
                     "turb_energy": "Injected turbulent energy",
                 },
             ),
-            "cons_from_log": Rule(
+            "coarse_step_from_log": Rule(
                 self,
                 partial(
                     self._from_log,
                     ["time", "step", "mcons", "econs", "epot", "ekin", "eint", "emag"],
-                    self._extract_cons_from_log,
+                    self._extract_coarse_step_from_log,
                 ),
                 group="/series",
                 unit={