[Vue] remove use of angularjs from Transitions #19383

Description:

Changes:

• Move contents of transitions.twig to TransitionsPage.vue component.
• Create TransitionExporterLink.vue component to initiate v-transition-exporter link w/o using an angularjs directive.
• Remove use of angularjs services in transitions.js vanilla javascript file.

Review

• [ ] Functional review done
• [ ] Potential edge cases thought about (behavior of the code with strange input, with strange internal state or possible interactions with other Matomo subsystems)
• [ ] Usability review done (is anything maybe unclear or think about anything that would cause people to reach out to support)
• [ ] Security review done
• [ ] Wording review done
• [ ] Code review done
• [ ] Tests were added if useful/possible
• [ ] Reviewed for breaking changes
• [ ] Developer changelog updated if needed
• [ ] Documentation added if needed
• [ ] Existing documentation updated if needed