Trim input value and add exception handling for invalid URL

[shivam8112005]

Fixes

• Fixes [Bug] Validate and Trim Input Field #293 by @shivam8112005

Description

• Trimmed the input query value to remove leading and trailing whitespace before processing the form.
• Added validation to ensure that the search query is not empty before proceeding.
• Included exception handling when navigating to the generated URL to catch and log any potential errors during the URL opening process.
• Improved debugging by printing error messages to the console for better visibility during development.

Technical details

1. Trimmed input query to remove whitespace for cleaner searches.
2. Added validation to check for empty queries and selected search engines before building the URL.
3. Implemented error handling for window.open(), logging errors to the console for debugging.

Tests

1. Verify that input queries are correctly trimmed.
2. Check alerts for empty queries or unselected search engines.
3. Test successful URL openings with valid queries and engines.
4. Induce errors in URL building and confirm console error logs.

Screenshots

Before:

Screen.Recording.2024-10-16.171042.mp4

After:

Screen.Recording.2024-10-16.171113.mp4

Checklist

• My pull request has a descriptive title (not a vague title like Update index.md).
• My pull request targets the default branch of the repository (main or master).
• My commit messages follow best practices.
• My code follows the established code style of the repository.
• I added or updated tests for the changes I made (if applicable).
• I added or updated documentation (if applicable).
• I tried running the project locally and verified that there are no
  visible errors.

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Developer Certificate of Origin

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[shivam8112005]

hello @possumbilities can you please review this pr when you're free.