[Build] Fix usage of --scan parameter with test retry

Gradle fails to configure test retry when `--scan` parameter is present
It happens due to some race in plugin application
and creation of a test extension

^KTI-1339

repo/gradle-build-conventions/buildsrc-compat/src/main/kotlin/testRetry.kt

@@ -13,6 +13,7 @@ fun Project.configureTestRetriesForTestTasks() {
         ?.toString()?.toInt()
         ?: (if (kotlinBuildProperties.isTeamcityBuild) 3 else 0)
 
+    pluginManager.withPlugin("gradle-enterprise") {
         tasks.withType<Test>().configureEach {
             retry {
                 maxRetries.set(testRetryMaxRetries)
@@ -21,3 +22,4 @@ fun Project.configureTestRetriesForTestTasks() {
             }
         }
     }
+}