Fix Typographical Errors in Messages and Documentation

[vipocenka]

This PR fixes several typographical errors in the codebase, ensuring proper grammar and clarity in user-facing messages and comments.

Changes:

1. Deployment and Project Commands

   • Corrected: "Select an deployment option" -> "Select a deployment option"
   • Corrected: "Select an project option" -> "Select a project option"

2. Codegen Tests

   • Corrected: "is not an valid type" -> "is not a valid type"

3. HTTP Provider Description

   • Corrected: "an HTTP RPC server" -> "a HTTP RPC server"

4. GraphQL Entities

   • Corrected: "is not an valid type" -> "is not a valid type"

Motivation

Improves readability, accuracy, and professionalism in user-facing messages, documentation, and error handling.

Checklist

• All changes have been tested locally.
• Code has been reviewed and updated for accuracy.
• Updated relevant documentation and comments.
• Verified grammar and context alignment for changes.