feat(menumodel): add a widget limit

birb/modules/menusystem/menus/utils/menumodel.lua

@@ -16,6 +16,7 @@ function MenuModel:new()
     self.selected = 0
     self.selectedPrevious = 0
     self.cancel = 0
+    self.limit = -1
     -- self:updateWidgetSize()
 end
 
@@ -24,6 +25,10 @@ function MenuModel:clear()
     self.cancel = 0
 end
 
+function MenuModel:setLimit(limit)
+    self.limit = limit
+end
+
 -- UPDATE/DRAW FUNCTIONS
 -- All the update functions
 
@@ -70,6 +75,9 @@ end
 -- All the functions to handle widgets
 
 function MenuModel:addWidget(newWidget)
+    if (self.limit ~= -1 and #self.list >= self.limit) then
+        return
+    end
     if #self.list == 0 then
         self.selected = 1
     end