Fleet UI: Fix bug hiding manage automations dropdown from maintainers

[RachelElysia]

Issue

Cerra #23448

Description

• Show manage automations dropdown to maintainers including options available for them only (run script, install software)

Screenshot

Global maintainer looking at all teams:

Global/team maintainer looking at team with disabled calendar events

Global/team maintainer viewing calendar events modal

Checklist for submitter

If some of the following don't apply, delete the relevant line.

• Changes file added for user-visible changes in changes/, orbit/changes/ or ee/fleetd-chrome/changes.
• Added/updated tests
• Manual QA for all new/changed functionality

[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 4 lines in your changes missing coverage. Please review.

Project coverage is 63.52%. Comparing base (c06a6b0) to head (8023e86).
Report is 54 commits behind head on main.

Files with missing lines	Patch %	Lines
...onents/CalendarEventsModal/CalendarEventsModal.tsx	80.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #23808      +/-   ##
==========================================
- Coverage   63.52%   63.52%   -0.01%     
==========================================
  Files        1592     1594       +2     
  Lines      151143   151270     +127     
  Branches     3883     3922      +39     
==========================================
+ Hits        96011    96091      +80     
- Misses      47480    47523      +43     
- Partials     7652     7656       +4     

Flag	Coverage Δ
frontend	53.76% <80.00%> (+0.10%)	⬆️

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[ghernandez345]

Changes look good but I think the future we should look at pulling some of this code into a helpers file. Think it would help reduce the size of this component

[ghernandez345]

nice tests!