Z-A: Add Street Name side-mission string

Author: kwsch

PKHeX.Core/Saves/Access/SaveBlockAccessor9ZA.cs

@@ -158,4 +158,5 @@ public sealed class SaveBlockAccessor9ZA(SAV9ZA sav) : SCBlockAccessor
     private const uint KDonuts = 0xBE007476; // object: donut[999], sizeof = 0x48
     private const uint KDonutDistortionInUse = 0x25335B2A; // Inside distortion, this is the currently used donut
     public const uint KHyperspaceSurveyPoints = 0x0235471C;
+    public const uint KStreetName = 0xBCCE00D6; // 0x26 string = 18 chars + \0
 }

PKHeX.WinForms/Subforms/Save Editors/Gen9/SAV_Trainer9a.Designer.cs

@@ -136,6 +136,7 @@ private void GetDLC()
         }
 
         MT_HyperspaceSurveyPoints.Text = SAV.GetValue<uint>(KHyperspaceSurveyPoints).ToString();
+        TB_StreetName.Text = SAV.GetString(SAV.Blocks.GetBlock(KStreetName).Data);
     }
 
     private void Save()
@@ -150,6 +151,7 @@ private void SaveDLC()
         if (SAV.SaveRevision == 0)
             return;
         SAV.SetValue(KHyperspaceSurveyPoints, Util.ToUInt32(MT_HyperspaceSurveyPoints.Text));
+        SAV.SetString(SAV.Blocks.GetBlock(KStreetName).Data, TB_StreetName.Text, 18, StringConverterOption.ClearZero);
     }
 
     private void SaveMap()