Avoid clashing with the getter field (#6093)

Author: martinbonnin

libraries/apollo-compiler/src/main/kotlin/com/apollographql/apollo/compiler/codegen/kotlin/schema/EnumAsEnumBuilder.kt

@@ -107,7 +107,7 @@ internal class EnumAsEnumBuilder(
                     .indent()
                     .add(
                         values.map {
-                          CodeBlock.of("%N", it.targetName.escapeKotlinReservedWordInEnum())
+                          CodeBlock.of("%T.%N", ClassName(packageName, simpleName), it.targetName.escapeKotlinReservedWordInEnum())
                         }.joinToCode(",\n")
                     )
                     .unindent()

libraries/apollo-compiler/src/test/graphql/com/example/case_sensitive_enum/kotlin/responseBased/case_sensitive_enum/type/Enum.kt.expected

@@ -18,6 +18,8 @@ enum Gravity {
 
   # an enum value that clashes with the rawValue type
   String
+
+  field
 }
 
 enum GravityAsEnum {
@@ -39,4 +41,6 @@ enum GravityAsEnum {
 
   "an enum value that clashes with the rawValue type"
   String
+
+  field
 }