fix version checks

Author: Geokureli

flixel/addons/ui/FlxInputText.hx

@@ -745,7 +745,7 @@ class FlxInputText extends FlxText
 					r.x = r.y = 0;
 					caret.pixels.fillRect(r, caretC); // draw caret
 					caret.offset.x = caret.offset.y = 0;
-				#if (flixel > "5.8.0")
+				#if (flixel > version("5.8.0"))
 				case SHADOW_XY(shadowX, shadowY):
 					// Shadow offset to the lower-right
 					cw += Std.int(Math.abs(shadowX));

flixel/addons/ui/FlxUIGroup.hx

@@ -4,11 +4,11 @@ import flixel.FlxSprite;
 import flixel.group.FlxSpriteGroup;
 import flixel.math.FlxRect;
 import flixel.addons.ui.interfaces.IFlxUIWidget;
-#if (flixel >= "5.7.0")
+#if (flixel >= version("5.7.0"))
 import flixel.group.FlxSpriteContainer;
 #end
 
-#if (flixel < "5.4.0" && FLX_NO_POINT_POOL)
+#if (flixel < version("5.4.0") && FLX_NO_POINT_POOL)
 	/* This is a weird haxe bug I haven't figured out, fixed in 5.4.0
 	 * via https://github.com/HaxeFlixel/flixel/pull/2808
 	 * Note: this is only the case when FLX_NO_POINT_POOL is defined.

flixel/addons/ui/FontDef.hx

@@ -7,7 +7,7 @@ import flixel.text.FlxText;
 import flixel.util.FlxColor;
 import openfl.Assets;
 import openfl.text.TextFormatAlign;
-#if (openfl >= "4.0.0")
+#if (openfl >= version("4.0.0"))
 import openfl.utils.AssetType;
 #end
 

flixel/addons/ui/FontFixer.hx

@@ -1,7 +1,7 @@
 package flixel.addons.ui;
 
 import openfl.Assets;
-#if (openfl >= "4.0.0")
+#if (openfl >= version("4.0.0"))
 import openfl.utils.AssetType;
 #end
 

flixel/addons/ui/U.hx

@@ -27,7 +27,7 @@ import sys.FileSystem;
 import sys.io.File;
 import sys.io.FileOutput;
 #end
-#if (openfl >= "4.0.0")
+#if (openfl >= version("4.0.0"))
 import openfl.utils.AssetType;
 #end
 #if haxe4