Fix incorrect variable name when finding a partial PIS match

Signed-off-by: Fred Boniface <fred@fjla.uk>

src/configs/version.configs.ts

@@ -5,7 +5,7 @@ interface versions {
 
 const version: versions = {
   api: ["/api/v2"],
-  app: "2025.03.1",
+  app: "2025.03.2",
 };
 
 module.exports = version;

src/services/pis.services.ts

@@ -81,7 +81,7 @@ export async function findByTiplocArray(
       } else {
         const partialStart = await findPartialStartMatchByTiploc(tiplocArray);
         if (partialStart) {
-          return convertDocument(partialEnd, "last");
+          return convertDocument(partialStart, "last");
         } else {
           return null;
         }