update(splitter): updates for advanced transport packages (#2761)

* update(splitter): updates for advanced transport packages

* update flow package name mapping for transport models

---------

Co-authored-by: jlarsen-usgs <jlarsen@usgs.gov>

Author: jdlarsen-UA

flopy/mf6/utils/model_splitter.py

@@ -1677,10 +1677,23 @@ def _remap_adv_transport(self, package, item, pkg_remap, mapped_data):
         """
         flow_package_name = package.flow_package_name.array
         packagedata = package.packagedata.array
-        perioddata = package.perioddata.data
+        if isinstance(package, modflow.ModflowGwtsft):
+            key = "reachperioddata"
+            perioddata = package.reachperioddata.data
+        elif isinstance(package, modflow.ModflowGwtlkt):
+            key = "lakeperioddata"
+            perioddata = package.lakeperioddata.data
+        elif isinstance(package, modflow.ModflowGwtuzt):
+            key = "uztperioddata"
+            perioddata = package.uztperioddata.data
+        elif isinstance(package, modflow.ModflowGwtmwt):
+            key = "mwtperioddata"
+            perioddata = package.mwtperioddata.data
+        else:
+            key = "perioddata"
+            perioddata = package.perioddata.data
 
         for mkey in self._model_dict.keys():
-            flow_package_const = flow_package_name.split(".")
             new_packagedata = self._remap_adv_tag(
                 mkey, packagedata, item, pkg_remap
             )
@@ -1694,10 +1707,9 @@ def _remap_adv_transport(self, package, item, pkg_remap, mapped_data):
                 )
                 spd[per] = new_recarray
 
-            flow_package_const[-2] += f"_{mkey :0{self._fdigits}d}"
-            new_flow_package_name = ".".join(flow_package_const)
+            new_flow_package_name = flow_package_name
             mapped_data[mkey]["packagedata"] = new_packagedata
-            mapped_data[mkey]["perioddata"] = spd
+            mapped_data[mkey][key] = spd
             mapped_data[mkey]["flow_package_name"] = new_flow_package_name
         return mapped_data
 
@@ -2038,7 +2050,7 @@ def _remap_sfr(self, package, mapped_data):
             connectiondata = package.connectiondata.array
             diversions = package.diversions.array
             perioddata = package.perioddata.data
-            name = package.filename
+            name = package.name[0]
             self._sfr_remaps[name] = {}
             sfr_remaps = {}
             div_mvr_conn = {}