Tracerestrict: Fix train texts used in non-train slots windows

See: #593

src/tracerestrict_gui.cpp

@@ -3677,7 +3677,7 @@ static const NWidgetPart _nested_slot_widgets[] = {
 				NWidget(WWT_PANEL, COLOUR_GREY), SetMinimalSize(0, 12), SetResize(1, 0), EndContainer(),
 			EndContainer(),
 			NWidget(NWID_HORIZONTAL),
-				NWidget(WWT_MATRIX, COLOUR_GREY, WID_TRSL_LIST_VEHICLE), SetMinimalSize(248, 0), SetMatrixDataTip(1, 0, STR_VEHICLE_LIST_TRAIN_LIST_TOOLTIP), SetResize(1, 1), SetFill(1, 0), SetScrollbar(WID_TRSL_LIST_VEHICLE_SCROLLBAR),
+				NWidget(WWT_MATRIX, COLOUR_GREY, WID_TRSL_LIST_VEHICLE), SetMinimalSize(248, 0), SetMatrixDataTip(1, 0, STR_NULL), SetResize(1, 1), SetFill(1, 0), SetScrollbar(WID_TRSL_LIST_VEHICLE_SCROLLBAR),
 				NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_TRSL_LIST_VEHICLE_SCROLLBAR),
 			EndContainer(),
 			NWidget(WWT_PANEL, COLOUR_GREY), SetMinimalSize(1, 0), SetFill(1, 1), SetResize(1, 0), EndContainer(),
@@ -3777,7 +3777,7 @@ private:
 		/* draw group name */
 		StringID str;
 		if (slot_id == ALL_TRAINS_TRACE_RESTRICT_SLOT_ID) {
-			str = STR_GROUP_ALL_TRAINS;
+			str = STR_GROUP_ALL_TRAINS + this->vli.vtype;
 		} else {
 			SetDParam(0, slot_id);
 			str = STR_TRACE_RESTRICT_SLOT_NAME;
@@ -3842,6 +3842,7 @@ public:
 		this->GetWidget<NWidgetCore>(WID_TRSL_CREATE_SLOT)->widget_data += this->vli.vtype;
 		this->GetWidget<NWidgetCore>(WID_TRSL_DELETE_SLOT)->widget_data += this->vli.vtype;
 		this->GetWidget<NWidgetCore>(WID_TRSL_RENAME_SLOT)->widget_data += this->vli.vtype;
+		this->GetWidget<NWidgetCore>(WID_TRSL_LIST_VEHICLE)->tool_tip = STR_VEHICLE_LIST_TRAIN_LIST_TOOLTIP + this->vli.vtype;
 
 		this->FinishInitNested(window_number);
 		this->owner = vli.company;