feat(input): default autocomplete/autocorrect=off, fix autofocus

Related: #5480

ionic/util/dom.ts

@@ -199,13 +199,13 @@ export function hasFocusedTextInput() {
   return false;
 }
 
-const skipInputAttrsReg = /^(value|checked|disabled|type|class|style|id)$/i
+const skipInputAttrsReg = /^(value|checked|disabled|type|class|style|id|autofocus|autocomplete|autocorrect)$/i
 export function copyInputAttributes(srcElement, destElement) {
   // copy attributes from one element to another
   // however, skip over a few of them as they're already
   // handled in the angular world
-  let attrs = srcElement.attributes;
-  for (let i = 0; i < attrs.length; i++) {
+  var attrs = srcElement.attributes;
+  for (var i = 0; i < attrs.length; i++) {
     var attr = attrs[i];
     if (!skipInputAttrsReg.test(attr.name)) {
       destElement.setAttribute(attr.name, attr.value);

ionic/util/test/util.spec.ts

@@ -15,6 +15,10 @@ export function run() {
         expect(util.isTrueProperty(' true  ')).toBe(true);
       });
 
+      it('should be true from string "on"', () => {
+        expect(util.isTrueProperty(true)).toBe(true);
+      });
+
       it('should be true from empty string ""', () => {
         expect(util.isTrueProperty('')).toBe(true);
         expect(util.isTrueProperty('  ')).toBe(true);
@@ -29,6 +33,10 @@ export function run() {
         expect(util.isTrueProperty(false)).toBe(false);
       });
 
+      it('should be false from string "off"', () => {
+        expect(util.isTrueProperty(true)).toBe(true);
+      });
+
       it('should be false from null', () => {
         expect(util.isTrueProperty(null)).toBe(false);
       });

ionic/util/util.ts

@@ -113,7 +113,7 @@ export const isArray = Array.isArray;
 export const isTrueProperty = function(val: any): boolean {
   if (typeof val === 'string') {
     val = val.toLowerCase().trim();
-    return (val === 'true' || val === '');
+    return (val === 'true' || val === 'on' || val === '');
   }
   return !!val;
 };