feat(Bonus Pagamenti Digitali): [#175890882] Update caption for BPay ko & loading screens

[fabriziofff]

This pr depends on #2678

Short description

This pr adds the copy for the loading and KO screens.

BPayKoNotFound	BPayKoTimeout

List of changes proposed in this pull request

• Feature A
• Feature B

How to test

Describe the tests that you ran to verify your changes. Provide instructions so we can reproduce.

[pagopa-github-bot]

Affected stories

• 🌟 #175890882: Come CIT voglio conoscere l'esito della ricerca dei miei BPay

Generated by 🚫 dangerJS against 7d322c7

[codecov]

Codecov Report

Merging #2680 (7d322c7) into master (44f2978) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff            @@
##           master    #2680    +/-   ##
========================================
  Coverage   51.77%   51.77%            
========================================
  Files         749      749            
  Lines       21072    21072            
  Branches     4014     3683   -331     
========================================
  Hits        10910    10910            
  Misses      10118    10118            
  Partials       44       44            

Impacted Files	Coverage Δ
.../bancomatPay/screens/add-account/AddBPayScreen.tsx	38.29% <100.00%> (ø)
...atPay/screens/add-account/LoadAddBPayComponent.tsx	54.54% <100.00%> (ø)
.../bancomatPay/screens/searchBPay/BPayKoNotFound.tsx	85.00% <100.00%> (ø)
...g/bancomatPay/screens/searchBPay/BPayKoTimeout.tsx	77.27% <100.00%> (ø)
.../bancomatPay/screens/searchBPay/LoadBPaySearch.tsx	60.00% <100.00%> (ø)

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