Implement text vertical alignment and expand properties for text field.

Author: BirjuVachhani

lib/src/api/nodes/text_field_node.dart

@@ -175,6 +175,8 @@ class TextFieldProperties with SerializableMixin, EquatableMixin {
   /// Maximum lines of text that appear at a time.
   late int? minLines;
 
+  late bool expands;
+
   /// Defines the character that is used to obscure the text in the field.
   /// Defaults to '•'.
   late String obscuringCharacter;
@@ -194,6 +196,7 @@ class TextFieldProperties with SerializableMixin, EquatableMixin {
     this.obscureText = false,
     this.readOnly = false,
     this.showCursor = true,
+    this.expands = false,
     this.keyboardType = TextInputTypeEnum.text,
     this.selectionHeightStyle = BoxHeightStyleEnum.tight,
     this.selectionWidthStyle = BoxWidthStyleEnum.tight,
@@ -238,6 +241,7 @@ class TextFieldProperties with SerializableMixin, EquatableMixin {
     String? obscuringCharacter,
     StartEndProp? inputStyle,
     InputDecorationModel? decoration,
+    bool? expands,
   }) {
     return TextFieldProperties(
       autoCorrect: autoCorrect ?? this.autoCorrect,
@@ -263,6 +267,7 @@ class TextFieldProperties with SerializableMixin, EquatableMixin {
       obscuringCharacter: obscuringCharacter ?? this.obscuringCharacter,
       inputStyle: inputStyle ?? this.inputStyle,
       decoration: decoration ?? this.decoration,
+      expands: expands ?? this.expands,
     );
   }
 
@@ -297,5 +302,6 @@ class TextFieldProperties with SerializableMixin, EquatableMixin {
         obscuringCharacter,
         inputStyle,
         decoration,
+        expands,
       ];
 }