KT-5012 Autocompletion is completing to FQN and not the value

#KT-5012 Fixed
 #KT-5006 Fixed

idea/testData/completion/handlers/EnumMember.kt

@@ -0,0 +1,9 @@
+enum class E {
+    A
+    B
+    C
+}
+
+fun foo() {
+    val e = E.<caret>
+}

idea/testData/completion/handlers/EnumMember.kt.after

@@ -0,0 +1,9 @@
+enum class E {
+    A
+    B
+    C
+}
+
+fun foo() {
+    val e = E.A<caret>
+}

idea/testData/completion/handlers/EnumMember1.kt

@@ -0,0 +1,9 @@
+enum class E {
+    A
+    B
+    C
+}
+
+fun foo() {
+    val e = E. <caret>
+}

idea/testData/completion/handlers/EnumMember1.kt.after

@@ -0,0 +1,9 @@
+enum class E {
+    A
+    B
+    C
+}
+
+fun foo() {
+    val e = E. A<caret>
+}