KT-8574 'Convert to block body' inserts spurious < token

#KT-8574 Fixed

idea/testData/intentions/convertToBlockBody/valueIsAnonymousObject.kt

@@ -0,0 +1 @@
+fun f() = <caret>object {  }

idea/testData/intentions/convertToBlockBody/valueIsAnonymousObject.kt.after

@@ -0,0 +1,3 @@
+fun f(): Any {
+    return object {  }
+}

idea/testData/intentions/convertToBlockBody/valueIsAnonymousObject2.kt

@@ -0,0 +1,3 @@
+interface I
+
+fun f() = <caret>object : I { }

idea/testData/intentions/convertToBlockBody/valueIsAnonymousObject2.kt.after

@@ -0,0 +1,5 @@
+interface I
+
+fun f(): I {
+    return object : I { }
+}

idea/testData/intentions/convertToBlockBody/valueIsAnonymousObject3.kt

@@ -0,0 +1,6 @@
+interface I1
+interface I2
+
+fun f() {
+    fun g() = <caret>object : I1, I2 { }
+}

idea/testData/intentions/convertToBlockBody/valueIsAnonymousObject3.kt.after

@@ -0,0 +1,8 @@
+interface I1
+interface I2
+
+fun f() {
+    fun g(): Any {
+        return object : I1, I2 { }
+    }
+}

idea/testData/intentions/convertToBlockBody/valueIsAnonymousObject4.kt

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+
+interface I
+
+fun f() = <caret>listOf(object : I { })

idea/testData/intentions/convertToBlockBody/valueIsAnonymousObject4.kt.after

@@ -0,0 +1,7 @@
+// WITH_RUNTIME
+
+interface I
+
+fun f(): List<I> {
+    return listOf(object : I { })
+}