Uncaught Error: This TextEditor has been destroyed

Uncaught Error: This TextEditor has been destroyed

**Atom Version**: 0.162.0
**System**: Mac OS X 10.10.1
**Thrown From**: [atom-color-highlight](https://github.com/abe33/atom-color-highlight) package, v2.0.6
### Steps To Reproduce
1. Split panes with a file with unsaved changes
2. Close the left pane
### Stack Trace

```
At /Users/leahbannon/Applications/Atom.app/Contents/Resources/app/src/display-buffer.js:989

Error: This TextEditor has been destroyed
at DisplayBuffer.module.exports.DisplayBuffer.screenPositionForBufferPosition (/Users/leahbannon/Applications/Atom.app/Contents/Resources/app/src/display-buffer.js:989:15)
at DisplayBuffer.module.exports.DisplayBuffer.screenRangeForBufferRange (/Users/leahbannon/Applications/Atom.app/Contents/Resources/app/src/display-buffer.js:854:20)
at Marker.module.exports.Marker.getScreenRange (/Users/leahbannon/Applications/Atom.app/Contents/Resources/app/src/marker.js:173:33)
at Selection.module.exports.Selection.getScreenRange (/Users/leahbannon/Applications/Atom.app/Contents/Resources/app/src/selection.js:95:26)
at AtomColorHighlightView.module.exports.AtomColorHighlightView.updateSelections (/Users/leahbannon/.atom/packages/atom-color-highlight/lib/atom-color-highlight-view.coffee:89:27)
at AtomColorHighlightView.updateSelections (/Users/leahbannon/.atom/packages/atom-color-highlight/lib/atom-color-highlight-view.coffee:1:1)
at /Users/leahbannon/.atom/packages/atom-color-highlight/lib/atom-color-highlight-view.coffee:71:8

```

/cc @atom/core

The error originates in atom-color-highlight-view.coffee at line 89 in updateSelections, where it tries to access a destroyed TextEditor. Start by examining the view's lifecycle and how it tracks editors across pane splits. Look for event listeners on pane removal and ensure selections are cleared when an editor is destroyed. Run the steps to reproduce in Atom with the package loaded to see the stack trace.

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