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Fix initialization error in Isearch

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Bump org.jetbrains.intellij.platform from 2.2.1 to 2.3.0

Bumps org.jetbrains.intellij.platform from 2.2.1 to 2.3.0.

---
updated-dependencies:
- dependency-name: org.jetbrains.intellij.platform
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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