fix: add useViewConfigTitle utility

[tltv]

Adds useViewConfigTitle function to read title from current route's ViewConfig or window.Vaadin.documentTitleSignal or given string.

RelatedTo: vaadin/flow#20207

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

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Additional details and impacted files

@@           Coverage Diff           @@
##             24.4    #2844   +/-   ##
=======================================
  Coverage        ?   95.05%           
=======================================
  Files           ?       66           
  Lines           ?     4573           
  Branches        ?      655           
=======================================
  Hits            ?     4347           
  Misses          ?      181           
  Partials        ?       45           

Flag	Coverage Δ
unittests	95.05% <ø> (?)

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[sonarqubecloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud