test(http-client-java): regenerate discriminator models

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: 54b93dc2-48ce-4250-a6ea-5bd9b9a7ab2b

Author: XiaofeiCao

packages/http-client-java/generator/http-client-generator-clientcore-test/src/main/java/type/model/inheritance/nesteddiscriminator/GoblinShark.java

@@ -16,7 +16,7 @@ public final class GoblinShark extends Shark {
      * Discriminator property for Fish.
      */
     @Metadata(properties = { MetadataProperties.GENERATED })
-    private String kind = "shark";
+    private final String kind = "shark";
 
     /*
      * The sharktype property.

packages/http-client-java/generator/http-client-generator-clientcore-test/src/main/java/type/model/inheritance/nesteddiscriminator/SawShark.java

@@ -16,7 +16,7 @@ public final class SawShark extends Shark {
      * Discriminator property for Fish.
      */
     @Metadata(properties = { MetadataProperties.GENERATED })
-    private String kind = "shark";
+    private final String kind = "shark";
 
     /*
      * The sharktype property.

packages/http-client-java/generator/http-client-generator-clientcore-test/src/main/java/type/model/inheritance/nesteddiscriminator/Shark.java

@@ -16,7 +16,7 @@ public class Shark extends Fish {
      * Discriminator property for Fish.
      */
     @Metadata(properties = { MetadataProperties.GENERATED })
-    private String kind = "shark";
+    private final String kind = "shark";
 
     /*
      * The sharktype property.

packages/http-client-java/generator/http-client-generator-test/src/main/java/azure/clientgenerator/core/hierarchybuilding/models/Dog.java

@@ -20,7 +20,7 @@ public final class Dog extends Pet {
      * The kind property.
      */
     @Generated
-    private String kind = "dog";
+    private final String kind = "dog";
 
     /*
      * The breed of the dog

packages/http-client-java/generator/http-client-generator-test/src/main/java/azure/clientgenerator/core/hierarchybuilding/models/Pet.java

@@ -20,7 +20,7 @@ public class Pet extends Animal {
      * The kind property.
      */
     @Generated
-    private String kind = "pet";
+    private final String kind = "pet";
 
     /*
      * Whether the pet is trained

packages/http-client-java/generator/http-client-generator-test/src/main/java/tsptest/armstreamstyleserialization/models/GoblinShark.java

@@ -21,7 +21,7 @@ public final class GoblinShark extends Shark {
     /*
      * Discriminator property for Fish.
      */
-    private String kind = "shark";
+    private final String kind = "shark";
 
     /*
      * The sharktype property.

packages/http-client-java/generator/http-client-generator-test/src/main/java/tsptest/armstreamstyleserialization/models/SawShark.java

@@ -21,7 +21,7 @@ public final class SawShark extends Shark {
     /*
      * Discriminator property for Fish.
      */
-    private String kind = "shark";
+    private final String kind = "shark";
 
     /*
      * The sharktype property.

packages/http-client-java/generator/http-client-generator-test/src/main/java/tsptest/armstreamstyleserialization/models/Shark.java

@@ -22,7 +22,7 @@ public class Shark extends FishInner {
     /*
      * Discriminator property for Fish.
      */
-    private String kind = "shark";
+    private final String kind = "shark";
 
     /*
      * The sharktype property.

packages/http-client-java/generator/http-client-generator-test/src/main/java/tsptest/patch/models/SawShark.java

@@ -23,7 +23,7 @@ public final class SawShark extends Shark {
      * Discriminator property for Fish.
      */
     @Generated
-    private String kind = "shark";
+    private final String kind = "shark";
 
     /*
      * The sharktype property.

packages/http-client-java/generator/http-client-generator-test/src/main/java/tsptest/patch/models/Shark.java

@@ -23,7 +23,7 @@ public class Shark extends Fish {
      * Discriminator property for Fish.
      */
     @Generated
-    private String kind = "shark";
+    private final String kind = "shark";
 
     /*
      * The sharktype property.