TF-582+584 Fix bug text input is hidden and weird scroll bar in signature identity

lib/features/identity_creator/presentation/widgets/identity_field_no_editable_builder.dart

@@ -19,7 +19,7 @@ class IdentityFieldNoEditableBuilder {
       const SizedBox(height: 8),
       Container(
           height: 44,
-          alignment: Alignment.center,
+          alignment: Alignment.centerLeft,
           width: double.infinity,
           padding: const EdgeInsets.symmetric(horizontal: 12),
           decoration: BoxDecoration(

lib/features/identity_creator/presentation/widgets/identity_input_field_builder.dart

@@ -40,6 +40,7 @@ class IdentityInputFieldBuilder {
           ..onChange((value) => onChangeInputNameAction?.call(value))
           ..textInputAction(TextInputAction.next)
           ..addController(editingController ?? TextEditingController())
+          ..autoFocus(true)
           ..addFocusNode(focusNode)
           ..textStyle(const TextStyle(color: Colors.black, fontSize: 16))
           ..keyboardType(inputType ?? TextInputType.text)