fix: a few more flow issues

Author: jedwards1211

src/createNumericField.js

@@ -7,10 +7,13 @@ import type { Props as FieldInputProps } from 'redux-form/lib/FieldProps.types'
 type NumberNormalizer = (value: ?(string | number)) => ?(string | number)
 const WHITESPACE = /^\s*$/
 
-function createNumericField<P: FieldInputProps>(
-  Field: React.ComponentType<P>
+function createNumericField(
+  Field: React.ComponentType<FieldInputProps & { normalizeOnBlur?: Function }>
 ): React.ComponentType<
-  P & { normalizeOnBlur?: Function, normalizeNumber?: NumberNormalizer }
+  FieldInputProps & {
+    normalizeOnBlur?: Function,
+    normalizeNumber?: NumberNormalizer,
+  }
 > {
   type Props = FieldInputProps & {
     normalizeOnBlur?: Function,

src/immutable.js

@@ -4,8 +4,6 @@ import * as React from 'react'
 import { Field as _Field } from 'redux-form-normalize-on-blur/immutable'
 import createNumericField from './createNumericField'
 
-const NumericField = createNumericField<React.ElementConfig<typeof _Field>>(
-  _Field
-)
+const NumericField = createNumericField(_Field)
 
 export { NumericField, createNumericField }

src/index.js

@@ -4,8 +4,6 @@ import * as React from 'react'
 import { Field as _Field } from 'redux-form-normalize-on-blur'
 import createNumericField from './createNumericField'
 
-const NumericField = createNumericField<React.ElementConfig<typeof _Field>>(
-  _Field
-)
+const NumericField = createNumericField(_Field)
 
 export { NumericField, createNumericField }

yarn.lock

@@ -7846,9 +7846,9 @@ redeyed@~2.1.0:
     esprima "~4.0.0"
 
 redux-form-normalize-on-blur@^1.0.0:
-  version "1.0.6"
-  resolved "https://registry.yarnpkg.com/redux-form-normalize-on-blur/-/redux-form-normalize-on-blur-1.0.6.tgz#4b832dd03fd31eec94acb87bc976940aac0e6f01"
-  integrity sha512-ayqzFosP9BFuUP/LffLHhJktk97+c48pMXUFfSUPeVLtQppGqntTwjQs6lbEU26dKeDu1Qkf0SThL0B/m3BXFQ==
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/redux-form-normalize-on-blur/-/redux-form-normalize-on-blur-1.0.7.tgz#2dc26a203b55b3ad9818e406453d012e832188b0"
+  integrity sha512-XPgBrkb57dCjcQyP9sVCQrm0SRFQQ6pTAue1aDVRK12sCOi76yQmsJKALr9U3qixvBTWLyuoTXknhwarIQt4Cw==
   dependencies:
     "@babel/runtime" "^7.1.5"
     prop-types "^15.0.0"