Allow generate toString(), equals(), and hashCode() to include non-default accessors

^KT-15262 Fixed

idea/testData/codeInsight/generate/equalsWithHashCode/customAccessors.kt

@@ -4,5 +4,8 @@ class Test {
             field = value.toUpperCase()
         }
     var name: String = ""
+    val age by lazy { 15 + 10 }
+    val color: String
+        get() = "Purple"
     <caret>
 }

idea/testData/codeInsight/generate/equalsWithHashCode/customAccessors.kt.after

@@ -4,6 +4,10 @@ class Test {
             field = value.toUpperCase()
         }
     var name: String = ""
+    val age by lazy { 15 + 10 }
+    val color: String
+        get() = "Purple"
+
     <caret>override fun equals(other: Any?): Boolean {
         if (this === other) return true
         if (javaClass != other?.javaClass) return false
@@ -12,6 +16,8 @@ class Test {
 
         if (serial != other.serial) return false
         if (name != other.name) return false
+        if (age != other.age) return false
+        if (color != other.color) return false
 
         return true
     }
@@ -19,6 +25,8 @@ class Test {
     override fun hashCode(): Int {
         var result = serial.hashCode()
         result = 31 * result + name.hashCode()
+        result = 31 * result + age
+        result = 31 * result + color.hashCode()
         return result
     }
 

idea/testData/codeInsight/generate/equalsWithHashCode/explicitDefaultAccessors.kt.after

@@ -8,11 +8,19 @@ class Test {
     override fun equals(other: Any?): Boolean {
         if (this === other) return true
         if (javaClass != other?.javaClass) return false
+
+        other as Test
+
+        if (serial != other.serial) return false
+        if (name != other.name) return false
+
         return true
     }
 
     override fun hashCode(): Int {
-        return javaClass.hashCode()
+        var result = serial.hashCode()
+        result = 31 * result + name.hashCode()
+        return result
     }
 
 }