Add Create Issue button to tracing

What does this MR do and why?

Add create issue button to tracing header

• Pass new issue path to tracing view model
• Add Create Issue button to tracing header
• Build and inject observability_trace_details into URL param ( to be later used to autofill issue description gitlab-org/opstrace/opstrace#2893 (closed) )

Sample URL:

http://gdk.test:3443/flightjs/Flight/-/issues/new?observability_trace_details=%7B%22fullUrl%22%3A%22http%3A%2F%2Fgdk.test%3A3443%2Fflightjs%2FFlight%2F-%2Ftracing%2Fcd4cfff9-295b-f014-595c-1be1fc145822%22%2C%22name%22%3A%22frontend-proxy%20%3A%20ingress%22%2C%22traceId%22%3A%228335ed4c-c943-aeaa-7851-2b9af6c5d3b8%22%2C%22start%22%3A%22Thu%2C%2004%20Jul%202024%2014%3A44%3A21%20GMT%22%2C%22duration%22%3A%222.27ms%22%2C%22totalSpans%22%3A3%2C%22totalErrors%22%3A0%7D

Relates to Add create issue button to traces page (gitlab-org/opstrace/opstrace#2895 - closed)

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Screenshots or screen recordings

How to set up and validate locally

1. You need a GitLab Ultimate license.

2. Enable the :observability_features feature flag.

3. Apply patch to load local mocks git apply < <(curl -s https://gitlab.com/-/snippets/3725609/raw/main/mock.patch)

4. Go to http://gdk.test:3443/flightjs/Flight/-/tracing/cd4cfff9-295b-f014-595c-1be1fc145822