Fix issues with Thymeleaf due to Spring upgrade

gradle.properties

@@ -23,9 +23,6 @@ discordWebhookVersion=0.8.4
 # Spring
 springVersion=3.1.2
 
-# Thymeleaf
-thymeleafVersion=3.1.2.RELEASE
-
 # Database
 flywayVersion=9.3.0
 mikuR2dbcMySqlVersion=0.8.2.RELEASE

web/build.gradle.kts

@@ -8,26 +8,17 @@ plugins {
     // Spring
     kotlin("plugin.spring")
     id("org.springframework.boot")
-    //id("io.spring.dependency-management")
+    id("io.spring.dependency-management")
 
     // Tooling
     id("com.google.cloud.tools.jib")
 }
 
-// Versions -- found in gradle.properties
-// Thymeleaf
-val thymeleafVersion: String by properties
-
 dependencies {
     api(project(":core"))
 
     // Spring
     implementation("org.springframework.boot:spring-boot-starter-thymeleaf")
-
-    //Thymeleaf
-    implementation("org.thymeleaf:thymeleaf")
-    implementation("org.thymeleaf:thymeleaf-spring5:$thymeleafVersion")
-    implementation("nz.net.ultraq.thymeleaf:thymeleaf-layout-dialect")
 }
 
 kotlin {

web/src/main/kotlin/org/dreamexposure/discal/web/config/WebFluxConfig.kt

@@ -19,10 +19,11 @@ import org.springframework.web.reactive.config.WebFluxConfigurer
 import org.springframework.web.reactive.function.server.RouterFunction
 import org.springframework.web.reactive.function.server.RouterFunctions
 import org.springframework.web.reactive.function.server.ServerResponse
-import org.thymeleaf.spring5.ISpringWebFluxTemplateEngine
-import org.thymeleaf.spring5.SpringWebFluxTemplateEngine
-import org.thymeleaf.spring5.templateresolver.SpringResourceTemplateResolver
-import org.thymeleaf.spring5.view.reactive.ThymeleafReactiveViewResolver
+import org.thymeleaf.spring6.ISpringWebFluxTemplateEngine
+import org.thymeleaf.spring6.SpringWebFluxTemplateEngine
+import org.thymeleaf.spring6.templateresolver.SpringResourceTemplateResolver
+import org.thymeleaf.spring6.view.reactive.ThymeleafReactiveViewResolver
+
 import org.thymeleaf.templatemode.TemplateMode
 
 @Configuration
@@ -49,6 +50,7 @@ class WebFluxConfig : WebServerFactoryCustomizer<ConfigurableWebServerFactory>,
         return RouterFunctions.resources("/**", ClassPathResource("static/"))
     }
 
+
     @Bean
     fun thymeleafTemplateResolver(): SpringResourceTemplateResolver {
         val res = SpringResourceTemplateResolver()