fix(graphql): find queryname by cursor - [INS-4376]

[CurryYangxx]

close #5648 : Support switch graphql query by mouse cursor.

Changes

• add cursorActivity and focus event listener for codemirror editor
• find queryname by cursor position and update state, sync with operation dropdown
• query highlight

Screen.Recording.2024-10-09.at.17.00.34.mov

We have this feature previously, but remove it in this pr (for logic simplifying
reason) #5272

[sentry]

Suspect Issues

This pull request was deployed and Sentry observed the following issues:

• ‼️ Error: Expected fetch controller: :r64: app:///index.html View Issue

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