[Bug] The issue type in the issue-specific pages is a placeholder, replace with actual code

[isidorosp]

Replace the static text in pages/issue/[slug].js with the code to get the first filter that matches issue type from the issue (see index.js for an example)

[isidorosp]

@waseemh-io wanna pick this up as well? If you work on top of PR #14 this should be easy to do (see example of getFirstMatchingLabel() in issues.tsx).