refactor(revert-solution): Revert previous temporary solution

src/main/resources/templates/db_scripts/convertSeriesAndSubjects.sql

@@ -0,0 +1,17 @@
+CREATE OR REPLACE FUNCTION ${myuniversity}_${mymodule}.migrate_series_and_subjects(jsonb) RETURNS jsonb AS $$
+DECLARE
+  instance jsonb := $1;
+BEGIN
+  IF jsonb_typeof(instance->'series'->0) = 'string' THEN
+    instance = jsonb_set(instance, '{series}',
+      (SELECT COALESCE(jsonb_agg(v), '[]')
+              FROM (SELECT jsonb_build_object('value', jsonb_array_elements_text(instance->'series')) AS v) x));
+  END IF;
+  IF jsonb_typeof(instance->'subjects'->0) = 'string' THEN
+    instance = jsonb_set(instance, '{subjects}',
+      (SELECT COALESCE(jsonb_agg(v), '[]')
+              FROM (SELECT jsonb_build_object('value', jsonb_array_elements_text(instance->'subjects')) AS v) x));
+  END IF;
+  RETURN instance;
+END;
+$$ LANGUAGE plpgsql IMMUTABLE PARALLEL SAFE;

src/main/resources/templates/db_scripts/schema.json

@@ -1073,6 +1073,11 @@
       "snippetPath": "setDefaultMetadataForHrIdSettings.sql",
       "fromModuleVersion": "25.1.0"
     },
+    {
+      "run": "after",
+      "snippetPath": "convertSeriesAndSubjects.sql",
+      "fromModuleVersion": "26.0.0"
+    },
     {
       "run": "after",
       "snippetPath": "inventory-hierarchy/updateRecordsViewFunctionToSupportSource.sql",