Feature/query execution textbox

[qwaider]

Description

• Added a raw query text box to the UI
• Raw queries can be typed in to the text box instead of using the filtering UI, supports Gremlin and OpenCypher queries.
• All the queries working with the Filtering UI can be used as raw queries, additionally it also supports path queries.

Validation

It can be tested by typing in queries in the new textbox and the graph explorer should show the appropriate visualization.

Related Issues

This PR addresses the issue: #300

Check List

• I confirm that my contribution is made under the terms of the Apache 2.0
  license.
• I have run pnpm checks to ensure code compiles and meets standards.
• I have run pnpm test to check if all tests are passing.
• I have covered new added functionality with unit tests if necessary.
• I have added an entry in the Changelog.md.

[kmcginnes]

@qwaider Thanks for the submission. I'm excited to take a look at the changes!

Just so you know, I'm currently busy preparing the next release. But as soon as I'm done with that I'll check this out.