chore: update welcome-banner.svg

[dated]

Summary

Replaces the welcome banner with a centered version.

Checklist

• Documentation (if necessary)
• Tests (if necessary)
• Ready to be merged

[codecov]

Codecov Report

Merging #2937 into develop will increase coverage by 41.07%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##           develop     #2937       +/-   ##
=============================================
+ Coverage    58.92%   100.00%   +41.07%     
=============================================
  Files          373       349       -24     
  Lines         9325      4956     -4369     
  Branches      1934       908     -1026     
=============================================
- Hits          5495      4956      -539     
+ Misses        3603         0     -3603     
+ Partials       227         0      -227     

Flag	Coverage Δ
#unit	100.00% <ø> (?)

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Impacted Files	Coverage Δ
src/app/App.tsx	100.00% <ø> (ø)
...r/services/crypto/business-registration.builder.js
...WalletBusiness/WalletBusinessBridgechainsTable.vue
src/renderer/pages/Wallet/mixin-on-create.js
src/renderer/store/modules/session.js
...ger/PluginManagerModals/PluginPermissionsModal.vue
...er/services/plugin-manager/adapters/npm-adapter.js
src/renderer/services/image-manager.js
...r/components/Transaction/TransactionStatusIcon.vue
...Manager/PluginManagerModals/PluginRemovalModal.vue
... and 713 more

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