improve console it project structs

mirai-console/backend/integration-test/build.gradle.kts

@@ -94,10 +94,13 @@ mcit_test.configure {
 val crtProject = project
 allprojects {
     if (project != crtProject) {
+        if (project.file(".module-group.txt").exists()) return@allprojects
         project.afterEvaluate {
+            runCatching {
                 val tk = tasks.named<Jar>("jar")
                 subplugins.add(tk)
                 mcit_test.configure { dependsOn(tk) }
             }
         }
+    }
 }