Alt triggered on actual OK text in alt tag

[YodaSpow]

Bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

1. Word with alt ie: Healthy

Expected behavior
Should not show error for invalid

Screenshots

[YodaSpow]

Fixed: cde41f4

[YodaSpow]

Re-opened: Check also for the existence of the alt tag: Email Studio currently removes alts if not populated in email Studio