Added fix to remove children when type changed

[tarun7singh]

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Description

Fixes #3262

Type of change

Please delete any options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)

Checklist

• My code follows the style guidelines of this project
• I ran ESLint and other linters for modified files
• I have performed a self-review of my own code and tested it
• I have commented my code, particularly in hard-to-understand areas
  (including JSDoc for methods)
• My changes generate no new warnings

Screenshots (if any)

2 Monitors in a group

Monitors unlinked after changing type