List unlocked recipes with tooltips in schematic choice dialog instead of unlocked item names

src/ui/RecipeTooltip.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <QString>
+
+struct RecipeDef;
+
+// Builds the recipe info tooltip text (REQ-UI-SELECT-TOOLTIP): the recipe name,
+// each input item name and quantity, the completion time, and the produced
+// output item name and quantity. Shared by the recipe-selection dialog and the
+// schematic choice dialog's "Unlocks recipes:" list so both render identically.
+QString buildRecipeTooltip(const RecipeDef& recipe);