Overrides completion on typing member name too

#KT-9431 Fixed

idea/idea-completion/testData/handlers/basic/override/TypeFunctionName.kt

@@ -0,0 +1,5 @@
+class A {
+    equ<caret>
+}
+
+// ELEMENT_TEXT: "override operator fun equals(other: Any?): Boolean {...}"

idea/idea-completion/testData/handlers/basic/override/TypeFunctionName.kt.after

@@ -0,0 +1,7 @@
+class A {
+    override fun equals(other: Any?): Boolean {
+        <caret><selection>return super.equals(other)</selection>
+    }
+}
+
+// ELEMENT_TEXT: "override operator fun equals(other: Any?): Boolean {...}"

idea/idea-completion/testData/handlers/basic/override/TypeNameInConstructorParameter.kt

@@ -0,0 +1,8 @@
+interface I {
+    var someVar: java.io.File?
+}
+
+class A(som<caret>) : I {
+}
+
+// ELEMENT_TEXT: "override var someVar: File?"

idea/idea-completion/testData/handlers/basic/override/TypeNameInConstructorParameter.kt.after

@@ -0,0 +1,10 @@
+import java.io.File
+
+interface I {
+    var someVar: java.io.File?
+}
+
+class A(override var someVar: File?<caret>) : I {
+}
+
+// ELEMENT_TEXT: "override var someVar: File?"