Fixed Modifying state during view update, this will cause undefined behavior (#31)

Author: afern247

Sources/FloatingLabelTextFieldSwiftUI/FloatingLabelTextField.swift

@@ -101,12 +101,17 @@ public struct FloatingLabelTextField: View {
             } else {
                 TextField("", text: $textFieldValue.animation(), onEditingChanged: { (isChanged) in
                     withAnimation {
-                        self.isSelected = isChanged
+                        DispatchQueue.main.async {
+                            self.isSelected = isChanged
+                        }
+                    }
+
+                    DispatchQueue.main.async {
+                        self.isShowError = self.notifier.isRequiredField
                     }
 
                     self.validtionChecker = self.currentError.condition
                     self.editingChanged(isChanged)
-                    self.isShowError = self.notifier.isRequiredField
                     arrTextFieldEditActions = self.notifier.arrTextFieldEditActions
                 }, onCommit: {
                     self.isShowError = self.notifier.isRequiredField