Reland Cupertino text input padding (#115164)

* Update Cupertino text input padding

* Remove comment

* Update tests

packages/flutter/lib/src/cupertino/search_field.dart

@@ -109,10 +109,10 @@ class CupertinoSearchTextField extends StatefulWidget {
     this.backgroundColor,
     this.borderRadius,
     this.keyboardType = TextInputType.text,
-    this.padding = const EdgeInsetsDirectional.fromSTEB(3.8, 8, 5, 8),
+    this.padding = const EdgeInsetsDirectional.fromSTEB(5.5, 8, 5.5, 8),
     this.itemColor = CupertinoColors.secondaryLabel,
     this.itemSize = 20.0,
-    this.prefixInsets = const EdgeInsetsDirectional.fromSTEB(6, 0, 0, 4),
+    this.prefixInsets = const EdgeInsetsDirectional.fromSTEB(6, 0, 0, 3),
     this.prefixIcon = const Icon(CupertinoIcons.search),
     this.suffixInsets = const EdgeInsetsDirectional.fromSTEB(0, 0, 5, 2),
     this.suffixIcon = const Icon(CupertinoIcons.xmark_circle_fill),

packages/flutter/lib/src/cupertino/text_field.dart

@@ -215,7 +215,7 @@ class CupertinoTextField extends StatefulWidget {
     this.controller,
     this.focusNode,
     this.decoration = _kDefaultRoundedBorderDecoration,
-    this.padding = const EdgeInsets.all(6.0),
+    this.padding = const EdgeInsets.all(7.0),
     this.placeholder,
     this.placeholderStyle = const TextStyle(
       fontWeight: FontWeight.w400,
@@ -362,7 +362,7 @@ class CupertinoTextField extends StatefulWidget {
     this.controller,
     this.focusNode,
     this.decoration,
-    this.padding = const EdgeInsets.all(6.0),
+    this.padding = const EdgeInsets.all(7.0),
     this.placeholder,
     this.placeholderStyle = _kDefaultPlaceholderStyle,
     this.prefix,

packages/flutter/test/cupertino/search_field_test.dart

@@ -107,7 +107,7 @@ void main() {
       expect(
         tester.getTopLeft(find.text('initial')) -
             tester.getTopLeft(find.byType(CupertinoSearchTextField)),
-        const Offset(29.8, 8.0),
+        const Offset(31.5, 8.0),
       );
     },
   );
@@ -231,7 +231,7 @@ void main() {
       );
 
       expect(
-        tester.getTopRight(find.byIcon(CupertinoIcons.search)).dx + 3.8,
+        tester.getTopRight(find.byIcon(CupertinoIcons.search)).dx + 5.5,
         tester.getTopLeft(find.byType(EditableText)).dx,
       );
 
@@ -239,7 +239,7 @@ void main() {
         tester.getTopLeft(find.byType(EditableText)).dx,
         tester.getTopLeft(find.byType(CupertinoSearchTextField)).dx +
             tester.getSize(find.byIcon(CupertinoIcons.search)).width +
-            9.8,
+            11.5,
       );
     },
   );
@@ -258,7 +258,7 @@ void main() {
       );
 
       expect(
-        tester.getTopRight(find.byType(EditableText)).dx + 5.0,
+        tester.getTopRight(find.byType(EditableText)).dx + 5.5,
         tester.getTopLeft(find.byIcon(CupertinoIcons.xmark_circle_fill)).dx,
       );
 
@@ -268,7 +268,7 @@ void main() {
             tester
                 .getSize(find.byIcon(CupertinoIcons.xmark_circle_fill))
                 .width -
-            10.0,
+            10.5,
       );
     },
   );