Fixed issues (MySQL)

MYSQL-230

Added missing my.cnf update logic within the Rollback operation.

MYSQL-225

A quick fix to prevent code break.

MYSQL-214

Verified the CLI syntax, and conveyed it to the support team.
Validated major CLI operations for the MySQL Document revamp as well.

MYSQL-210

ESCL-4684 - Retry logic for Refresh

MYSQL-207

Runbash failing while shutting down(kill) the MySQL instance

MYSQL-118

The MySQL Instance name is changed to Source Config name to reduce confusion during configuration and standardize across our connectors.

MYSQL-138

The length of the MySQL Instance name has now been changed to support up to 255 characters.

MYSQL-81

Changed the command to change the root password which facilitates seamless working of the linking process.

MYSQL-72

Changed the commands to take backups as they were deprecated.