fix(CLI): Fix creating projects from CLI with spaces in their name (SCD-52)

[BlumMichael]

Purpose:

This PR fixes an issue where creating projects from the CLI with spaces in their names was not working correctly. The fix introduces a new Line function that properly handles user input by trimming whitespace, replacing the previous P function which used fmt.Scan and stopped reading at the first whitespace character.

Changes:

• Introduced a new Line function that reads and trims complete lines of input
• Updated WithDefault to use Line instead of P for input handling
• Replaced prompt.P with prompt.Line in the project creation flow

Any affected ticket/issue:

• https://phrase.atlassian.net/browse/SCD-52

Screenshots:

[Copilot]

Pull request overview

This PR fixes an issue where creating projects from the CLI with spaces in their names was not working correctly. The fix introduces a new Line function that properly handles user input by trimming whitespace, replacing the previous P function which used fmt.Scan and stopped reading at the first whitespace character.

Changes:

• Introduced a new Line function that reads and trims complete lines of input
• Updated WithDefault to use Line instead of P for input handling
• Replaced prompt.P with prompt.Line in the project creation flow

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
clients/cli/cmd/internal/prompt/prompt.go	Added Line function for reading complete lines and updated WithDefault to use it
clients/cli/cmd/internal/prompt/prompt_test.go	Added comprehensive test coverage for Line and WithDefault functions
clients/cli/cmd/internal/init.go	Updated project name input to use prompt.Line instead of prompt.P

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