Fix for anonym user case and log out on Organization profile

[marla-singer]

Closes #3383
Closes #3382
Closes #2517

Changes

• Rename path parameter "slug" to "orgSlug" for all related files (It needs to resolve conflict with "slug" parameter for API)

Fix for anonym user case and log out on Organization profile #3383, #3382
- Make sure Parameter "orgSlug" exists before subscribe
- Get related organization once, store it in Template reactive variable and return it
- Create the separated autorun function for watching on changes of apisPerPage parameter

Developer checklist

This checklist is to be completed by the PR developer:

• Alternative solutions were compared/discussed before writing code
  • trade-offs with this solution are considered acceptable
• Code in this PR adheres to the project styleguide
• This pull request does not decrease project test coverage
• If the code changes existing database collection(s), migration has been written
• If UI texts are added or changed, all texts are internationalized

Reviewer checklist

Reviewed by: @matleppa @anarva

This list is to be completed by the pull request reviewer:

• Code works as described/expected
• Code seems to be error free
  • no browser console errors visible
  • no server console errors visible
  • passes CI build
• Code is written in a way that promotes maintainability
  • easy to understand
  • well organized
  • follows project coding standards and conventions
  • well documented

[matleppa]

When checking issue 3383, I get following exception.
Strange thing is, that it occurs only with some Organizations.

Exception in template helper: TypeError: Cannot read property '_id' of null
at Object.isBookmarked (http://localhost:3000/app/app.js?hash=24ddef301776868a4795be2fa8a482fc4e94744d:57219:30)
at http://localhost:3000/packages/blaze.js?hash=f33d3dfed63a491d24e3aa07ad66c24b5fe8c761:3051:16
at http://localhost:3000/packages/blaze.js?hash=f33d3dfed63a491d24e3aa07ad66c24b5fe8c761:1715:16
at http://localhost:3000/packages/blaze.js?hash=f33d3dfed63a491d24e3aa07ad66c24b5fe8c761:3103:66
at Function.Template._withTemplateInstanceFunc (http://localhost:3000/packages/blaze.js?hash=f33d3dfed63a491d24e3aa07ad66c24b5fe8c761:3744:12)
at http://localhost:3000/packages/blaze.js?hash=f33d3dfed63a491d24e3aa07ad66c24b5fe8c761:3102:27
at Object.Spacebars.call (http://localhost:3000/packages/spacebars.js?hash=ebf9381e7fc625d41acb0df14995b7614360858a:172:18)
at Template.bookmark.HTML.SPAN.class (http://localhost:3000/app/app.js?hash=24ddef301776868a4795be2fa8a482fc4e94744d:57125:22)
at Blaze.View. (http://localhost:3000/packages/blaze.js?hash=f33d3dfed63a491d24e3aa07ad66c24b5fe8c761:2734:44)
at http://localhost:3000/packages/blaze.js?hash=f33d3dfed63a491d24e3aa07ad66c24b5fe8c761:1934:20
at Function.Template._withTemplateInstanceFunc (http://localhost:3000/packages/blaze.js?hash=f33d3dfed63a491d24e3aa07ad66c24b5fe8c761:3744:12)
at http://localhost:3000/packages/blaze.js?hash=f33d3dfed63a491d24e3aa07ad66c24b5fe8c761:1932:29
at Object.Blaze._withCurrentView (http://localhost:3000/packages/blaze.js?hash=f33d3dfed63a491d24e3aa07ad66c24b5fe8c761:2271:12)
at viewAutorun (http://localhost:3000/packages/blaze.js?hash=f33d3dfed63a491d24e3aa07ad66c24b5fe8c761:1931:18)
at Tracker.Computation._compute (http://localhost:3000/packages/tracker.js?hash=997515fa2d5b0530ba07741da556c4b36963ef3b:339:36)
at Tracker.Computation._recompute (http://localhost:3000/packages/tracker.js?hash=997515fa2d5b0530ba07741da556c4b36963ef3b:358:14)
at Object.Tracker._runFlush (http://localhost:3000/packages/tracker.js?hash=997515fa2d5b0530ba07741da556c4b36963ef3b:532:14)
at onGlobalMessage (http://localhost:3000/packages/meteor.js?hash=6d285d84547b3dad9717a7c89c664b61b45ea3d8:398:23)

[marla-singer]

@matleppa Fixed

[matleppa]

Works as expected.