VFS: reset KOTLIN_IS_COMPILED_FILE_ATTRIBUTE

This commit resets mentioned file attribute from Kotlin binary files.
It finalizes the fix 929b6dd9 - users might have mistakenly set 'false'
value left on their file systems.

idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/IDEKotlinBinaryClassCache.kt

@@ -105,7 +105,7 @@ class IDEKotlinBinaryClassCache {
         )
 
     private val KOTLIN_IS_COMPILED_FILE_ATTRIBUTE: String = "kotlin-is-binary-compiled".apply {
-        ServiceManager.getService(FileAttributeService::class.java)?.register(this, 1)
+        ServiceManager.getService(FileAttributeService::class.java)?.register(this, 2)
     }
 
     private val KOTLIN_BINARY_DATA_KEY = Key.create<SoftReference<KotlinBinaryData>>(KOTLIN_IS_COMPILED_FILE_ATTRIBUTE)