Replace 'class object' with 'default object' in renderers and test data

Includes changes to decompiled text
Old syntax is used in builtins and project code for now

idea/testData/completion/basic/common/ExtensionFunctionInClassObject.kt

@@ -3,7 +3,7 @@ package p
 class B
 
 class R {
-    class object {
+    default object {
         fun B.f() {
             this.<caret>
         }

idea/testData/completion/basic/common/InClassObject.kt

@@ -4,7 +4,7 @@ class C {
     inner class InnerClass
     object AnObject
 
-    class object {
+    default object {
         val classObjectField = 0
         class ClassObjectClass
 

idea/testData/completion/basic/common/InNestedClass.kt

@@ -9,7 +9,7 @@ class C {
         }
     }
 
-    class object {
+    default object {
         fun fromClassObject(){}
     }
 }

idea/testData/completion/basic/common/NestedClassesOnClassWithDefaultObject.kt

@@ -2,7 +2,7 @@ class A {
     class Nested
     inner class Inner
 
-    class object {
+    default object {
         class Nested2
         val c: Int = 1
         object Obj2

idea/testData/completion/basic/common/NestedClassesOnClassWithNamedDefaultObject.kt

@@ -2,7 +2,7 @@ class A {
     class Nested
     inner class Inner
 
-    class object Named {
+    default object Named {
         class Nested2
         val c: Int = 1
         object Obj2

idea/testData/completion/basic/common/NestedClassesOnDefaultObjectLiteral.kt

@@ -2,7 +2,7 @@ class A {
     class Nested
     inner class Inner
 
-    class object Named {
+    default object Named {
         class Nested2
         val c: Int = 1
         object Obj2

idea/testData/completion/basic/common/OverloadFunctions.kt

@@ -1,7 +1,7 @@
 package Test.MyTest
 
 class A {
-    class object {
+    default object {
         public fun testOther() {
 
         }

idea/testData/completion/basic/common/classObjectElementsInClass.kt

@@ -1,5 +1,5 @@
 class Some {
-    class object {
+    default object {
         val coProp = 12
 
         fun coFun = 12

idea/testData/completion/basic/common/extensions/ExtensionOnNestedClassObject.kt

@@ -2,7 +2,7 @@ package foo
 
 class A {
     class B {
-        class object
+        default object
     }
 }
 

idea/testData/completion/basic/common/extensions/NoExtensionFromOuter.kt

@@ -1,7 +1,7 @@
 class C {
     fun String.memberExtForString(){}
 
-    class object {
+    default object {
         fun foo() {
             "".<caret>
         }

idea/testData/completion/basic/multifile/NotImportedObject/NotImportedObject.dependency.kt

@@ -8,7 +8,7 @@ fun some() {
 }
 
 class Some {
-  class object {
+  default object {
     object NamedObjectInClassObject
   }
 }