support prop 'for' (#6049)

packages/form/src/form-item.vue

@@ -81,6 +81,7 @@
       rules: [Object, Array],
       error: String,
       validateStatus: String,
+      for: String,
       inlineMessage: {
         type: [String, Boolean],
         default: ''

packages/input/src/input.vue

@@ -106,15 +106,20 @@
       placeholder: String,
       size: String,
       resize: String,
+      icon: String,
+      name: String,
+      form: String,
+      id: String,
+      maxlength: Number,
+      minlength: Number,
       readonly: Boolean,
       autofocus: Boolean,
-      icon: String,
       disabled: Boolean,
+      onIconClick: Function,
       type: {
         type: String,
         default: 'text'
       },
-      name: String,
       autosize: {
         type: [Boolean, Object],
         default: false
@@ -127,9 +132,6 @@
         type: String,
         default: 'off'
       },
-      form: String,
-      maxlength: Number,
-      minlength: Number,
       max: {},
       min: {},
       step: {},