fix some hbs completions (#279)

* fix some hbs completions

* fix

* fix

Author: patricklx

src/main/kotlin/com/emberjs/hbs/HbsLocalCompletion.kt

@@ -107,10 +107,16 @@ class HbsLocalCompletion : CompletionProvider<CompletionParameters>() {
         }
 
         if (anything is PsiElement && anything.reference is HbsLocalReference) {
-            resolve((anything.reference as HbsLocalReference?)?.resolveYield(), result)
+            resolve((anything.reference as? HbsLocalReference)?.resolveYield(), result)
             resolve(anything.reference?.resolve(), result)
         }
 
+        if (anything is PsiElement && anything.reference == null && anything.containingFile.viewProvider is GtsFileViewProvider) {
+            val ref = anything.containingFile.originalFile.findReferenceAt(anything.textOffset)
+            resolve((ref as? HbsLocalReference)?.resolveYield(), result)
+            resolve(ref?.resolve(), result)
+        }
+
         if (refElement is HbParam) {
             if (refElement.children.find { it is HbParam }?.text == "hash") {
                 val names = refElement.children.filter { it.elementType == HbTokenTypes.HASH }.map { it.children[0].text }