[RN] Improve UI and theming

[iketw]

Problem solved

Fixed some padding/margins and allowed for more customizations in the theme prop

Changes made

• Public API changes: list the public API changes made if any
• Internal API changes: explain the internal logic changes

How to test

• Automated tests: link to unit test file
• Manual tests: step by step instructions on how to test

[changeset-bot]

🦋 Changeset detected

Latest commit: b89d33e

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
@thirdweb-dev/react-native	Patch
@thirdweb-dev/react-native-compat	Patch

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[codecov]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Files	Coverage Δ
packages/sdk/src/evm/common/index.ts	100.00% <100.00%> (ø)
...sdk/src/evm/common/plugin/getCompositePluginABI.ts	75.00% <100.00%> (ø)
.../contracts/prebuilt-implementations/marketplace.ts	73.75% <100.00%> (ø)
...src/evm/contracts/prebuilt-implementations/pack.ts	67.66% <100.00%> (-0.39%)	⬇️
...rc/evm/contracts/prebuilt-implementations/split.ts	86.17% <100.00%> (-0.70%)	⬇️
packages/sdk/src/evm/core/sdk.ts	70.50% <100.00%> (ø)
...ckages/sdk/src/evm/functions/getContractFromAbi.ts	75.00% <100.00%> (ø)
packages/sdk/src/evm/contracts/index.ts	67.77% <66.66%> (ø)
...vm/contracts/prebuilt-implementations/multiwrap.ts	84.84% <50.00%> (-0.31%)	⬇️
...src/evm/contracts/prebuilt-implementations/vote.ts	71.42% <85.71%> (+0.14%)	⬆️

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