Fix maxLine in ScrollGuiDsl

Author: NichtStudioCode

buildSrc/src/main/kotlin/invui.common-conventions.gradle.kts

@@ -9,7 +9,7 @@ plugins {
 val libs = the<LibrariesForLibs>()
 
 group = "xyz.xenondevs.invui"
-version = "2.0.0-alpha.21"
+version = "2.0.0-alpha.21.1"
 
 repositories {
     mavenCentral()

invui-kotlin/src/main/kotlin/xyz/xenondevs/invui/dsl/ScrollGuiDsl.kt

@@ -53,7 +53,7 @@ internal abstract class ScrollGuiDslImpl<C : Any>(
     override val content = ProviderDslProperty(emptyList<C>())
     override val line = MutableProviderDslProperty(0)
     override val lineCount = internalLineCount.flatten()
-    override val maxLine = mutableProvider(0)
+    override val maxLine = internalMaxLine.flatten()
 
     override fun applyToBuilder(builder: ScrollGui.Builder<C>) {
         super.applyToBuilder(builder)