Fixed KT-4431 Override/implement val: generate getter instead of initializer

#KT-4431 Fixed

idea/testData/codeInsight/overrideImplement/complexMultiOverride.kt.after

@@ -21,7 +21,9 @@ class C : Base<String, C, Unit>() {
         return super<Base>.hashCode()
     }
 
-    override val method: (String?) -> String = ?
+    override val method: (String?) -> String
+        get() = ?
+
     override fun toString(): String {
         return super<Base>.toString()
     }

idea/testData/codeInsight/overrideImplement/functionProperty.kt.after

@@ -5,7 +5,8 @@ trait A {
 
 fun some() : A {
     return object : A {<caret>
-        override val method: () -> Unit? = ?
+        override val method: () -> Unit?
+            get() = ?
     }
 }
 

idea/testData/codeInsight/overrideImplement/inheritVisibilities.kt.after

@@ -23,17 +23,23 @@ class C : A(), B {
         super<A>.internalFun()
     }
 
-    override val internalProperty: Int = 0
+    override val internalProperty: Int
+        get() = 0
+
     override fun protectedFun() {
         super<A>.protectedFun()
     }
 
-    override val protectedProperty: Int = 0
+    override val protectedProperty: Int
+        get() = 0
+
     override fun publicFun() {
         super<A>.publicFun()
     }
 
-    override val publicProperty: Int = 0
+    override val publicProperty: Int
+        get() = 0
+
     override fun toString(): String {
         return super<A>.toString()
     }

idea/testData/codeInsight/overrideImplement/overrideFunctionProperty.kt.after

@@ -4,7 +4,8 @@ open class A() {
 
 fun some() : A {
     return object : A() {<caret>
-        override val method: () -> Unit? = ?
+        override val method: () -> Unit?
+            get() = ?
     }
 }
 

idea/testData/codeInsight/overrideImplement/overridePrimitiveProperty.kt.after

@@ -10,12 +10,20 @@ trait T {
 }
 
 class C : T {
-    override val a1: Byte = <selection><caret>0</selection>
-    override val a2: Short = 0
-    override val a3: Int = 0
-    override val a4: Long = 0
-    override val a5: Float = 0.0f
-    override val a6: Double = 0.0
-    override val a7: Char = '\u0000'
-    override val a8: Boolean = false
+    override val a1: Byte
+        get() = <selection><caret>0</selection>
+    override val a2: Short
+        get() = 0
+    override val a3: Int
+        get() = 0
+    override val a4: Long
+        get() = 0
+    override val a5: Float
+        get() = 0.0f
+    override val a6: Double
+        get() = 0.0
+    override val a7: Char
+        get() = '\u0000'
+    override val a8: Boolean
+        get() = false
 }

idea/testData/codeInsight/overrideImplement/overrideRespectCaretPosition.kt.after

@@ -6,7 +6,9 @@ open class A() {
 class C : A() {
     val constant = 42
     // Some comment
-    override val bar: Int = <selection><caret>0</selection>
+    override val bar: Int
+        get() = <selection><caret>0</selection>
+
     override fun equals(other: Any?): Boolean {
         return super<A>.equals(other)
     }

idea/testData/codeInsight/overrideImplement/property.kt.after

@@ -3,5 +3,6 @@ trait T {
 }
 
 class GC() : T {
-    override val v: Int = <selection><caret>0</selection>
+    override val v: Int
+        get() = <selection><caret>0</selection>
 }

idea/testData/codeInsight/overrideImplement/respectCaretPosition.kt.after

@@ -9,7 +9,9 @@ class SomeTest : Test {
         <selection><caret>throw UnsupportedOperationException()</selection>
     }
 
-    override val testProp: Int = 0
+    override val testProp: Int
+        get() = 0
+
     /**
      * test
      */