Resolve "Weight Feature in Community Edition buggy in board view"

What does this MR do?

Don't show Weights on issue Board page if EE License is missing

What are the relevant issue numbers?

Closes #7180 (closed)

Does this MR meet the acceptance criteria?

• Tests added for this feature/bug
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• EE specific content should be in the top level /ee folder
• For a paid feature, have we considered GitLab.com plans, how it works for groups, and is there a design for promoting it to users who aren't on the correct plan?