fix: resolve Card component padding/alignment, restore emptied compon…

[midexol]

Description
Standardizes the Card component properties and ref-forwarding, restores core component implementations that were commit-erased, and fixes the library compilation and test runner configurations.

Related Issues
Closes #103

Type of Change
Bug fix (non-breaking change which fixes an issue)
New feature (non-breaking change which adds functionality)
Breaking change (fix or feature that would cause existing functionality to change)
Documentation update
Testing
Describe how you tested your changes:

Ran npm run build to verify library ESM, CJS, and typescript declaration files compile successfully.
Ran npm run type-check to verify zero compile-time TypeScript errors.
Ran npx vitest run to verify all 239 unit tests in the project pass successfully.

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[midexol]

Pull Request Update: Sync & Issue #188 Resolution
closes #188
I have synchronized the branch with the latest changes from upstream/main (resolving conflicts) and resolved all requirements for Issue #188 (Sidebar fixes):

1. Sync & Conflict Resolution:
   Dependency Resolution: Pinned @creit.tech/stellar-wallets-kit to the latest stable v1 release (^1.9.5). The new adapter code relies on v1 APIs (such as allowAllModules, WalletNetwork, and constructor instantiation) which are modified in v2.
   Adapter & Entry Point Fixes: Integrated the new wallet connection and client adapter logic from the upstream branch, and corrected the malformed import syntax in src/main.tsx.
2. Sidebar Navigation Updates (Issue fix(Sidebar): nav section not persisted on reload, inconsistent icon strokeWidth, redundant re-render on active item tap #188):
   State Persistence: Active navigation section is now stored in localStorage under "sorokit-active-nav" and restored on mount to prevent page refreshes resetting the view back to the wallet screen.
   Icon Consistency: Standardized all navigation icons to a consistent strokeWidth={1.5} in both active and inactive states.
   Redundant Mobile Re-renders: Tapping the active nav item in the mobile drawer now closes the drawer immediately without invoking unnecessary re-renders.
   The codebase compiles cleanly, has full unit test coverage for the changes, and is ready for review.