Remove class path isolation bypass and use loom DSL

jfmod.gradle

@@ -160,9 +160,17 @@ allprojects {
 
     if (project.hasProperty("archives_base_name"))
         archivesBaseName = project.archives_base_name
+
     group = project.maven_group
     version = "$rootProject.ext.currentVer"
 
+    sourceSets {
+        testmod {
+            compileClasspath += main.compileClasspath
+            runtimeClasspath += main.runtimeClasspath
+        }
+    }
+
     dependencies {
         minecraft "com.mojang:minecraft:${project.minecraft_version}"
         mappings "net.fabricmc:yarn:${project.minecraft_version}+${project.yarn_mappings}:v2"
@@ -233,8 +241,13 @@ allprojects {
         }
 
         loom {
-            runConfigs.configureEach {
-                vmArgs "-Dfabric.debug.classPathIsolationBypassClasses=io/gitlab/jfronny"
+            project.rootProject.allprojects.each { sub ->
+                mods.register(sub.name, {
+                    sourceSet sub.sourceSets.main
+                })
+                mods.register(sub.name + "-testmod", {
+                    sourceSet sub.sourceSets.testmod
+                })
             }
         }
     }