dillon1000/react

Issue#11510: added verification check for misspelled propTypes (#11524)

* added verification check for misspelled propTypes

* added flag to check if misspelled warning was shown to developer before

* added the condition to else if and improved the warning message

* moved  variable under dev section & initialized it to false

* added test to confirm the missmatch prop type warning in both  and  tests files

* removed eslint disable and split error into 2 lines

* changed expectDev to expect in tests

* added __DEV__ condition before both tests