How can I delete after completion?

[abdullah017]

When we complete all the character fields, it becomes unfocused and we cannot delete it, can you help with this?

Package; always last version

Flutter doctor:

[✓] Flutter (Channel stable, 3.0.5, on macOS 12.5 21G72 darwin-arm, locale
    tr-TR)
[✓] Android toolchain - develop for Android devices (Android SDK version 33.0.0)
[✓] Xcode - develop for iOS and macOS (Xcode 13.4.1)
[✓] Chrome - develop for the web
[✓] Android Studio (version 2021.2)
[✓] VS Code (version 1.70.1)
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My Code;

PinCodeTextField(
          length: 6,
          obscureText: false,
          animationType: AnimationType.fade,
          focusNode: controller.myFocusNode,
          autoDisposeControllers: false,
          autoFocus: true,
          autoUnfocus: false,
          pinTheme: PinTheme(
              inactiveColor: Colors.grey.shade300, //inactive border side
              inactiveFillColor: AppColors.WHITE_OPACITY,

              ///inactive background
              activeColor: Colors.white,
              activeFillColor: AppColors.ORANGE,
              selectedColor: AppColors.ORANGE,
              selectedFillColor: AppColors.ORANGE,
              shape: PinCodeFieldShape.box,
              borderRadius: BorderRadius.circular(5),
              fieldHeight: 50,
              fieldWidth: 40,
              fieldOuterPadding: EdgeInsets.all(3)),
          animationDuration: Duration(milliseconds: 300),
          enableActiveFill: true,
          errorAnimationController: controller.errorController,
          controller: controller.textEditingController,
          validator: (value) {
            if (value == null || value.length < 6) {
              print(value);
              controller.hasError.value = true;

              return "";
            } else {
              return null;
            }
          },
          onCompleted: (v) {
            print("Completed");
            controller.myFocusNode;
          },
          onChanged: (value) {
            print(value);

            controller.currentText.value = value;
          },
          beforeTextPaste: (text) {
            print("Allowing to paste $text");
            //if you return true then it will show the paste confirmation dialog. Otherwise if false, then nothing will happen.
            //but you can show anything you want here, like your pop up saying wrong paste format or etc
            return true;
          },
          appContext: Get.context!),