Fix #21330: Tooltips from dropdown widgets have the wrong position

distribution/changelog.txt

@@ -3,6 +3,7 @@
 - Improved: [#21356] Resize the title bar when moving between displays with different scaling factors on Windows systems.
 - Fix: [#18963] Research table in parks from Loopy Landscapes is imported incorrectly.
 - Fix: [#20907] RCT1/AA scenarios use the 4-across train for the Inverted Roller Coaster.
+- Fix: [#21330] Tooltips from dropdown widgets have the wrong position.
 - Fix: [#21332] Mini Helicopters and Monorail Cycles ride types are swapped in research within RCT1 scenarios.
 - Fix: [#21347] Too many options are hidden if the platform has no file picker.
 - Fix: [OpenSFX#18] B&M Roar sound effect not looping correctly.

src/openrct2-ui/input/MouseInput.cpp

@@ -1463,6 +1463,11 @@ void InputStateWidgetPressed(
         }
         return;
     }
+    else if (gDropdownIsColour)
+    {
+        // This is ordinarily covered in InputWidgetOver but the dropdown with colours is a special case.
+        InputUpdateTooltip(w, widgetIndex, screenCoords);
+    }
 
     gDropdownHighlightedIndex = -1;
     WindowInvalidateByClass(WindowClass::Dropdown);