⚡ Improve Dex transaction API & Bug Fix

[GabrielePicco]

Simplify and enhance the Orca DEX API

Status	Type	⚠️ Core Change	Issue
Ready	Enhance & Bug	No

Solution

• Simplify the Dex interface
• Fix bug for native swap

[coveralls]

Pull Request Test Coverage Report for Build 3957282303

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 6 of 32 (18.75%) changed or added relevant lines in 3 files are covered.
• 2 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.2%) to 80.314%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/Solana.Unity.Extensions/TokenMintResolver.cs	0	3	0.0%
src/Solana.Unity.Rpc/Utilities/RuntimePlatforms.cs	5	14	35.71%
src/Solana.Unity.Rpc/Core/Http/CrossHttpClient.cs	1	15	6.67%

Files with Coverage Reduction	New Missed Lines	%
src/Solana.Unity.Extensions/TokenMintResolver.cs	1	77.46%
src/Solana.Unity.Rpc/Core/Http/CrossHttpClient.cs	1	10.26%

Totals
Change from base Build 3932339694:	-0.2%
Covered Lines:	5122
Relevant Lines:	6125

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💛 - Coveralls