Fix #17996 - Finances window not cleared when starting some .park scenarios (#19368)

* Clear Finances Graph on Scenario Load

* Update changelog

---------

Co-authored-by: Trevor Finney <8711258+finneyt@users.noreply.github.com>

distribution/changelog.txt

@@ -25,6 +25,7 @@
 - Change: [#19091] [Plugin] Add game action information to callback arguments of custom actions.
 - Change: [#19233] Reduce lift speed minimum and maximum values for “Classic Wooden Coaster”.
 - Fix: [#474] Mini golf window shows more players than there actually are (original bug).
+- Fix: [#17996] Finances window not cleared when starting some .park scenarios
 - Fix: [#18260] Crash opening parks that have multiple tiles referencing the same banner entry.
 - Fix: [#18467] “Selected only” Object Selection filter is active in Track Designs Manager, and cannot be toggled.
 - Fix: [#18905] Ride Construction window theme is not applied correctly.

src/openrct2/management/Finance.cpp

@@ -196,6 +196,14 @@ void FinanceResetHistory()
         gWeeklyProfitHistory[i] = MONEY64_UNDEFINED;
         gParkValueHistory[i] = MONEY64_UNDEFINED;
     }
+
+    for (uint32_t i = 0; i < EXPENDITURE_TABLE_MONTH_COUNT; ++i)
+    {
+        for (uint32_t j = 0; j < static_cast<int32_t>(ExpenditureType::Count); ++j)
+        {
+            gExpenditureTable[i][j] = 0;
+        }
+    }
 }
 
 /**