[B] Register - Limit the characters for the name field when register as a student

[chamarag87]

Description - Register as a student to the learnhub website by filling the name with a long name then student can successfully register to the website

Steps - launch the learnhub website>click register>fill the name with the long name

Expected result - It should display a error message showing that the registration fails due to fill the name with a long name

Actual result - Register successfully by filling the name with long name