fix(native-filters): show default text on filter scoping tree

[villebro]

SUMMARY

Currently the filter scoping tree is showing titles that are not in line with those displayed on the dashboard. This PR changes the scoping tree to show the defaultTitle if a real title hasn't been given, similar to how the dashboard layout is rendered.

AFTER

BEFORE

TESTING INSTRUCTIONS

Updated test mock to reflect a use case where the tab's text isn't provided.

ADDITIONAL INFORMATION

• Has associated issue: closes [native-filters]scoping section shows uuid when dashboard with tabs shared the same name #15126
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[codecov]

Codecov Report

Merging #15351 (43e4d60) into master (352656a) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master   #15351   +/-   ##
=======================================
  Coverage   77.16%   77.16%           
=======================================
  Files         973      973           
  Lines       50523    50524    +1     
  Branches     6184     6185    +1     
=======================================
+ Hits        38986    38987    +1     
  Misses      11331    11331           
  Partials      206      206           

Flag	Coverage Δ
javascript	71.76% <100.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...ConfigModal/FiltersConfigForm/FilterScope/utils.ts	98.52% <100.00%> (+0.02%)	⬆️

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[kgabryje]

LGTM