Set limitation to iOS 11 due to UITextContentTypeUsername is Up at iOS 11

Author: Evsio0n

shell/platform/darwin/ios/framework/Source/FlutterTextInputPlugin.mm

@@ -45,7 +45,7 @@ static UITextAutocapitalizationType ToUITextAutoCapitalizationType(NSDictionary*
   return UITextAutocapitalizationTypeNone;
 }
 
-@available iOS (10.0,*)
+@available iOS (11.0,*)
 static UITextContentType ToUITextContentType(NSDictionary* type) {
     NSString* contentType = type[@"textType"];
     if ([contentType isEqualToString:@"TextContent.username"])
@@ -157,11 +157,11 @@ @interface FlutterTextInputView : UIView <UITextInput>
 @property(nonatomic, copy) NSDictionary* markedTextStyle;
 @property(nonatomic, assign) id<UITextInputDelegate> inputDelegate;
 /**
- This file is to make ios 10 or higher device using autofill
+ This file is to make ios 11 or higher device using autofill
  
  Reference to  github.com/flutter/flutter/issues/33040
  **/
-@property(nonatomic) UITextContentType textContentType API_AVAILABLE(ios(10.0));
+@property(nonatomic) UITextContentType textContentType API_AVAILABLE(ios(11.0));
 
 
 // UITextInputTraits
@@ -205,7 +205,7 @@ - (instancetype)init {
     _enablesReturnKeyAutomatically = NO;
     _keyboardAppearance = UIKeyboardAppearanceDefault;
     _keyboardType = UIKeyboardTypeDefault;
-    if(@available iOS (10.0,*))
+    if(@available iOS (11.0,*))
         _keyboardContentType = UITextContentType;
     _returnKeyType = UIReturnKeyDone;
     _secureTextEntry = NO;
@@ -770,7 +770,7 @@ - (void)hideTextInput {
 
 - (void)setTextInputClient:(int)client withConfiguration:(NSDictionary*)configuration {
   NSDictionary* inputType = configuration[@"inputType"];
-  if(@available iOS (10.0,*))
+  if(@available iOS (11.0,*))
       NSDictionary* contentType = configuration[@"contentType"];
   NSString* keyboardAppearance = configuration[@"keyboardAppearance"];
   if ([configuration[@"obscureText"] boolValue]) {
@@ -780,7 +780,7 @@ - (void)setTextInputClient:(int)client withConfiguration:(NSDictionary*)configur
   }
 
   _activeView.keyboardType = ToUIKeyboardType(inputType);
-  if(@available iOS (10.0,*))
+  if(@available iOS (11.0,*))
       _activeView.textContentType = ToUITextContentType(contentType);
   _activeView.returnKeyType = ToUIReturnKeyType(configuration[@"inputAction"]);
   _activeView.autocapitalizationType = ToUITextAutoCapitalizationType(configuration);