Add new condition to DL2365Groupupgrade script

[hazemembaby]

Issue:
Describe what the issue is you are addressing

• I've added new condition to test DL owners with RecipientTypeDetails other than UserMailbox, MailUser
• I've modified the EAP condition to work case sensitively while comparing DL PrimarySmtpAddress& EnabledPrimarySMTPAddressTemplate
• Modified readme file by change title O365 to Microsoft 365

Reason:
Describe what the reason is for making the change

To address these new conditions I've mentioned earlier that might fail DL to M365 group upgrade

Fix:
Short description of the fix

• I've added new condition to test DL owners with RecipientTypeDetails other than UserMailbox, MailUser
• I've modified the EAP condition to work case sensitively while comparing DL PrimarySmtpAddress& EnabledPrimarySMTPAddressTemplate
• Modified readme file by change title O365 to Microsoft 365

Validation:
Provide if applicable