Remove final from JsonArray, JsonObject, and JsonVariant

`final` breaks ThingsBoard ಠ_ಠ
https://github.com/thingsboard/thingsboard-client-sdk/blob/v0.12.2/src/RPC_Response.h#L10

See #2056.
This reverts commit 483a2c9101.

CHANGELOG.md

@@ -1,11 +1,6 @@
 ArduinoJson: change log
 =======================
 
-HEAD
-----
-
-* Mark `JsonArray`, `JsonObject`, and `JsonVariant` as `final` (issue #2056)
-
 v7.0.3 (2024-02-05)
 ------
 

src/ArduinoJson/Array/JsonArray.hpp

@@ -13,7 +13,7 @@ class JsonObject;
 
 // A reference to an array in a JsonDocument
 // https://arduinojson.org/v7/api/jsonarray/
-class JsonArray final : public detail::VariantOperators<JsonArray> {
+class JsonArray : public detail::VariantOperators<JsonArray> {
   friend class detail::VariantAttorney;
 
  public:

src/ArduinoJson/Array/JsonArrayConst.hpp

@@ -14,7 +14,7 @@ class JsonObject;
 
 // A read-only reference to an array in a JsonDocument
 // https://arduinojson.org/v7/api/jsonarrayconst/
-class JsonArrayConst final : public detail::VariantOperators<JsonArrayConst> {
+class JsonArrayConst : public detail::VariantOperators<JsonArrayConst> {
   friend class JsonArray;
   friend class detail::VariantAttorney;
 

src/ArduinoJson/Array/JsonArrayIterator.hpp

@@ -25,7 +25,7 @@ class Ptr {
   T value_;
 };
 
-class JsonArrayIterator final {
+class JsonArrayIterator {
   friend class JsonArray;
 
  public:
@@ -59,7 +59,7 @@ class JsonArrayIterator final {
   detail::ResourceManager* resources_;
 };
 
-class JsonArrayConstIterator final {
+class JsonArrayConstIterator {
   friend class JsonArray;
 
  public:

src/ArduinoJson/Object/JsonObject.hpp

@@ -13,7 +13,7 @@ class JsonArray;
 
 // A reference to an object in a JsonDocument.
 // https://arduinojson.org/v7/api/jsonobject/
-class JsonObject final : public detail::VariantOperators<JsonObject> {
+class JsonObject : public detail::VariantOperators<JsonObject> {
   friend class detail::VariantAttorney;
 
  public:

src/ArduinoJson/Object/JsonObjectConst.hpp

@@ -11,7 +11,7 @@ ARDUINOJSON_BEGIN_PUBLIC_NAMESPACE
 
 // A read-only reference to an object in a JsonDocument.
 // https://arduinojson.org/v7/api/jsonobjectconst/
-class JsonObjectConst final : public detail::VariantOperators<JsonObjectConst> {
+class JsonObjectConst : public detail::VariantOperators<JsonObjectConst> {
   friend class JsonObject;
   friend class detail::VariantAttorney;
 

src/ArduinoJson/Object/JsonObjectIterator.hpp

@@ -8,7 +8,7 @@
 
 ARDUINOJSON_BEGIN_PUBLIC_NAMESPACE
 
-class JsonObjectIterator final {
+class JsonObjectIterator {
   friend class JsonObject;
 
  public:
@@ -43,7 +43,7 @@ class JsonObjectIterator final {
   detail::ResourceManager* resources_;
 };
 
-class JsonObjectConstIterator final {
+class JsonObjectConstIterator {
   friend class JsonObject;
 
  public:

src/ArduinoJson/Object/JsonPair.hpp

@@ -12,7 +12,7 @@ ARDUINOJSON_BEGIN_PUBLIC_NAMESPACE
 
 // A key-value pair.
 // https://arduinojson.org/v7/api/jsonobject/begin_end/
-class JsonPair final {
+class JsonPair {
  public:
   // INTERNAL USE ONLY
   JsonPair(detail::ObjectData::iterator iterator,
@@ -41,7 +41,7 @@ class JsonPair final {
 
 // A read-only key-value pair.
 // https://arduinojson.org/v7/api/jsonobjectconst/begin_end/
-class JsonPairConst final {
+class JsonPairConst {
  public:
   JsonPairConst(detail::ObjectData::iterator iterator,
                 const detail::ResourceManager* resources)

src/ArduinoJson/Variant/JsonVariant.hpp

@@ -10,8 +10,8 @@ ARDUINOJSON_BEGIN_PUBLIC_NAMESPACE
 
 // A reference to a value in a JsonDocument.
 // https://arduinojson.org/v7/api/jsonvariant/
-class JsonVariant final : public detail::VariantRefBase<JsonVariant>,
+class JsonVariant : public detail::VariantRefBase<JsonVariant>,
-                          public detail::VariantOperators<JsonVariant> {
+                    public detail::VariantOperators<JsonVariant> {
   friend class detail::VariantAttorney;
 
  public:

src/ArduinoJson/Variant/JsonVariantConst.hpp

@@ -23,9 +23,8 @@ class JsonObject;
 
 // A read-only reference to a value in a JsonDocument
 // https://arduinojson.org/v7/api/jsonarrayconst/
-class JsonVariantConst final
+class JsonVariantConst : public detail::VariantTag,
-    : public detail::VariantTag,
+                         public detail::VariantOperators<JsonVariantConst> {
-      public detail::VariantOperators<JsonVariantConst> {
   friend class detail::VariantAttorney;
 
  public: