[O2B-1194] Refactor export functionality

[xsalonx]

I have a JIRA ticket

• [x] branch and/or PR name(s) include(s) JIRA ID
• [x] issue has "Fix version" assigned
• [x] issue "Status" is set to "In review"
• [x] PR labels are selected

Notable changes for users:

• Changed export functionality:
  • Allow to input file name
  • Use spinner to show data are being loaded

Notable changes for developers:

• Extracted export-related methods to OverviewPageModel
• Generalised exportTriggerAndModal to work with another overview views

Changes made to the database:

• NA

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 86 lines in your changes are missing coverage. Please review.

Project coverage is 45.20%. Comparing base (24ddf8b) to head (3536cf7). Report is 358 commits behind head on main.

Files	Patch %	Lines
lib/public/models/OverviewModel.js	0.00%	53 Missing :warning:
...ublic/views/Runs/Overview/exportTriggerAndModal.js	0.00%	32 Missing :warning:
...ib/public/views/Runs/Overview/RunsOverviewModel.js	0.00%	1 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1462      +/-   ##
==========================================
- Coverage   48.78%   45.20%   -3.58%     
==========================================
  Files         528      768     +240     
  Lines        7968    12452    +4484     
  Branches     1477     2220     +743     
==========================================
+ Hits         3887     5629    +1742     
- Misses       4081     6823    +2742     

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