Escape special names with backticks in test data

#KT-51248

compiler/testData/loadJava/compiledKotlin/dataClass/MixedComponents.txt

@@ -3,10 +3,10 @@ package test
 public final data class DataClass {
     /*primary*/ public constructor DataClass(/*0*/ x: kotlin.String, /*1*/ z: kotlin.Double)
     public final var x: kotlin.String
-        public final fun <get-x>(): kotlin.String
-        public final fun <set-x>(/*0*/ <set-?>: kotlin.String): kotlin.Unit
+        public final fun `<get-x>`(): kotlin.String
+        public final fun `<set-x>`(/*0*/ `<set-?>`: kotlin.String): kotlin.Unit
     public final val z: kotlin.Double
-        public final fun <get-z>(): kotlin.Double
+        public final fun `<get-z>`(): kotlin.Double
     public final operator /*synthesized*/ fun component1(): kotlin.String
     public final operator /*synthesized*/ fun component2(): kotlin.Double
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.String = ..., /*1*/ z: kotlin.Double = ...): test.DataClass

compiler/testData/loadJava/compiledKotlin/dataClass/OneVal.txt

@@ -3,7 +3,7 @@ package test
 public final data class DataClass {
     /*primary*/ public constructor DataClass(/*0*/ x: kotlin.String)
     public final val x: kotlin.String
-        public final fun <get-x>(): kotlin.String
+        public final fun `<get-x>`(): kotlin.String
     public final operator /*synthesized*/ fun component1(): kotlin.String
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.String = ...): test.DataClass
 }

compiler/testData/loadJava/compiledKotlin/dataClass/ParamNameSameToField.txt

@@ -3,11 +3,11 @@ package test
 public final data class A {
     /*primary*/ public constructor A(/*0*/ foo: kotlin.String, /*1*/ bar: kotlin.Int, /*2*/ other: kotlin.Long)
     public final val bar: kotlin.Int
-        public final fun <get-bar>(): kotlin.Int
+        public final fun `<get-bar>`(): kotlin.Int
     public final val foo: kotlin.String
-        public final fun <get-foo>(): kotlin.String
+        public final fun `<get-foo>`(): kotlin.String
     public final val other: kotlin.Long
-        public final fun <get-other>(): kotlin.Long
+        public final fun `<get-other>`(): kotlin.Long
     public final operator /*synthesized*/ fun component1(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ foo: kotlin.String, /*1*/ bar: kotlin.Int = ..., /*2*/ other: kotlin.Long): test.A
 }

compiler/testData/loadJava/compiledKotlin/dataClass/TwoVals.txt

@@ -3,9 +3,9 @@ package test
 public final data class DataClass {
     /*primary*/ public constructor DataClass(/*0*/ x: kotlin.String, /*1*/ y: kotlin.Int)
     public final val x: kotlin.String
-        public final fun <get-x>(): kotlin.String
+        public final fun `<get-x>`(): kotlin.String
     public final val y: kotlin.Int
-        public final fun <get-y>(): kotlin.Int
+        public final fun `<get-y>`(): kotlin.Int
     public final operator /*synthesized*/ fun component1(): kotlin.String
     public final operator /*synthesized*/ fun component2(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.String = ..., /*1*/ y: kotlin.Int = ...): test.DataClass

compiler/testData/loadJava/compiledKotlin/dataClass/TwoVars.txt

@@ -3,11 +3,11 @@ package test
 public final data class DataClass {
     /*primary*/ public constructor DataClass(/*0*/ x: kotlin.String, /*1*/ y: kotlin.Int)
     public final var x: kotlin.String
-        public final fun <get-x>(): kotlin.String
-        public final fun <set-x>(/*0*/ <set-?>: kotlin.String): kotlin.Unit
+        public final fun `<get-x>`(): kotlin.String
+        public final fun `<set-x>`(/*0*/ `<set-?>`: kotlin.String): kotlin.Unit
     public final var y: kotlin.Int
-        public final fun <get-y>(): kotlin.Int
-        public final fun <set-y>(/*0*/ <set-?>: kotlin.Int): kotlin.Unit
+        public final fun `<get-y>`(): kotlin.Int
+        public final fun `<set-y>`(/*0*/ `<set-?>`: kotlin.Int): kotlin.Unit
     public final operator /*synthesized*/ fun component1(): kotlin.String
     public final operator /*synthesized*/ fun component2(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.String = ..., /*1*/ y: kotlin.Int = ...): test.DataClass