Smart completion: fix anonymous object code style (KT-29572)

#KT-29572 Fixed

idea/idea-completion/testData/smartMultiFile/AnonymousObjectGenericJava/AnonymousObjectGenericJava.kt

@@ -2,4 +2,4 @@ fun f(){
     JavaClass<String>(<caret>)
 }
 
-// EXIST: { itemText: "object: Comparator<String?>{...}" }
+// EXIST: { itemText: "object : Comparator<String?>{...}" }

idea/idea-completion/testData/smartMultiFile/GenericInheritors1/GenericInheritors1.kt

@@ -4,11 +4,11 @@ fun foo(): KotlinTrait<I1, I2> {
     return <caret>
 }
 
-// EXIST: { lookupString: "object", itemText: "object: KotlinTrait<I1, I2>{...}" }
+// EXIST: { lookupString: "object", itemText: "object : KotlinTrait<I1, I2>{...}" }
 // EXIST: { lookupString: "KotlinInheritor1", itemText: "KotlinInheritor1", tailText: "() (p)" }
 // EXIST: { lookupString: "KotlinInheritor2", itemText: "KotlinInheritor2", tailText: "() (p)" }
 // ABSENT: KotlinInheritor3
-// EXIST: { lookupString: "object", itemText: "object: KotlinInheritor4<I1, I2>(){...}" }
+// EXIST: { lookupString: "object", itemText: "object : KotlinInheritor4<I1, I2>(){...}" }
 // ABSENT: KotlinInheritor5
 // EXIST: { lookupString: "KotlinInheritor6", itemText: "KotlinInheritor6", tailText: "() (p)" }
 // EXIST: { lookupString: "JavaInheritor1", itemText: "JavaInheritor1", tailText: "() (<root>)" }

idea/idea-completion/testData/smartMultiFile/GenericInheritors2/GenericInheritors2.kt

@@ -4,5 +4,5 @@ fun foo(): KotlinTrait<I1, I1> {
     return <caret>
 }
 
-// EXIST: { lookupString: "object", itemText: "object: KotlinTrait<I1, I1>{...}" }
+// EXIST: { lookupString: "object", itemText: "object : KotlinTrait<I1, I1>{...}" }
 // EXIST: { lookupString: "KotlinInheritor", itemText: "KotlinInheritor", tailText: "() (p)" }

idea/idea-completion/testData/smartMultiFile/GenericInheritors3/GenericInheritors3.kt

@@ -4,5 +4,5 @@ fun foo(): KotlinTrait<I1, I2> {
     return <caret>
 }
 
-// EXIST: { lookupString: "object", itemText: "object: KotlinTrait<I1, I2>{...}" }
+// EXIST: { lookupString: "object", itemText: "object : KotlinTrait<I1, I2>{...}" }
 // ABSENT: KotlinInheritor

idea/idea-completion/testData/smartMultiFile/GenericInheritors4/GenericInheritors4.kt

@@ -4,5 +4,5 @@ fun foo(): KotlinTrait<I1<I2>> {
     return <caret>
 }
 
-// EXIST: { lookupString: "object", itemText: "object: KotlinTrait<I1<I2>>{...}" }
+// EXIST: { lookupString: "object", itemText: "object : KotlinTrait<I1<I2>>{...}" }
 // EXIST: { lookupString: "KotlinInheritor", itemText: "KotlinInheritor", tailText: "() (p)" }

idea/idea-completion/testData/smartMultiFile/Inheritors/Inheritors.kt

@@ -4,12 +4,12 @@ fun foo(): p2.KotlinTrait {
     return <caret>
 }
 
-// EXIST: { lookupString: "object", itemText: "object: KotlinTrait{...}" }
+// EXIST: { lookupString: "object", itemText: "object : KotlinTrait{...}" }
 // EXIST: { lookupString: "KotlinInheritor1", itemText: "KotlinInheritor1", tailText: "() (p2)" }
 // EXIST: { lookupString: "KotlinInheritor2", itemText: "KotlinInheritor2", tailText: "(s: String) (p2)" }
-// EXIST: { lookupString: "object", itemText: "object: KotlinInheritor3(){...}" }
+// EXIST: { lookupString: "object", itemText: "object : KotlinInheritor3(){...}" }
 // ABSENT: PrivateInheritor
-// EXIST: { lookupString: "object", itemText: "object: JavaInheritor1(){...}" }
+// EXIST: { lookupString: "object", itemText: "object : JavaInheritor1(){...}" }
 // EXIST: { lookupString: "JavaInheritor2", itemText: "JavaInheritor2", tailText: "(...) (<root>)" }
 // ABSENT: JavaInheritor3
 // EXIST: { lookupString: "ObjectInheritor", itemText: "ObjectInheritor", tailText: " (p2)" }

idea/idea-completion/testData/smartMultiFile/InheritorsAndMultipleExpectedTypes/InheritorsAndMultipleExpectedTypes.kt

@@ -2,9 +2,9 @@ fun bar() {
     foo(<caret>)
 }
 
-// EXIST: { lookupString: "object", itemText: "object: T1{...}" }
-// EXIST: { lookupString: "object", itemText: "object: T2<X>{...}" }
-// EXIST: { lookupString: "object", itemText: "object: T3<Y>{...}" }
+// EXIST: { lookupString: "object", itemText: "object : T1{...}" }
+// EXIST: { lookupString: "object", itemText: "object : T2<X>{...}" }
+// EXIST: { lookupString: "object", itemText: "object : T3<Y>{...}" }
 // EXIST: { lookupString: "C1", itemText: "C1" }
 // EXIST: { lookupString: "C2", itemText: "C2" }
 // EXIST: { lookupString: "C3", itemText: "C3" }

idea/idea-completion/testData/smartMultiFile/NoObjectDuplication/NoObjectDuplication.kt

@@ -1,6 +1,6 @@
 fun foo(): T = <caret>
 
 // EXIST: foo
-// EXIST: { lookupString: "object", itemText: "object: T{...}" }
+// EXIST: { lookupString: "object", itemText: "object : T{...}" }
 // EXIST: { lookupString: "OO", itemText: "OO", tailText: " (<root>)" }
 // NOTHING_ELSE