[pob2-port] Fix crash when importing items with +1 suffix rune (#9894)

* Apply changes from PathOfBuildingCommunity/PathOfBuilding-PoE2#2175

* Fix merge issue

---------

Co-authored-by: vaisest <vaisest@users.noreply.github.com>
Co-authored-by: LocalIdentity <localidentity2@gmail.com>

Author: 3 people

src/Classes/ItemsTab.lua

@@ -673,12 +673,13 @@ holding Shift will put it in the second.]])
 	end)
 
 	-- Section: Affix Selection
+	local maxModCount = 9
 	self.controls.displayItemSectionAffix = new("Control", {"TOPLEFT",self.controls.displayItemSectionClusterJewel,"BOTTOMLEFT"}, {0, 0, 0, function()
 		if not self.displayItem or not self.displayItem.crafted then
 			return 0
 		end
 		local h = 6
-		for i = 1, 6 do
+		for i = 1, maxModCount do
 			if self.controls["displayItemAffix"..i]:IsShown() then
 				h = h + 24
 				if self.controls["displayItemAffixRange"..i]:IsShown() then
@@ -688,7 +689,7 @@ holding Shift will put it in the second.]])
 		end
 		return h
 	end})
-	for i = 1, 6 do
+	for i = 1, maxModCount do
 		local prev = self.controls["displayItemAffix"..(i-1)] or self.controls.displayItemSectionAffix
 		local drop, slider
 		local function verifyRange(range, index, drop) -- flips range if it will form discontinuous values