Fix 'occured' -> 'occurred' typos in EelReceiveChannel, Python debugger, Devkit

[SAY-5]

Fix 4 instances of `occured` → `occurred` across 3 files in the IntelliJ codebase.

Files

File	Context
`platform/eel/src/com/intellij/platform/eel/channels/EelReceiveChannel.kt` (×2)	KDoc on `receive`/`receiveFully` `@throws`
`python/src/com/jetbrains/python/debugger/PyUnitTestsDebuggingService.java`	Javadoc on frames param
`plugins/devkit/devkit-core/src/actions/NewRemoteDevModuleAction.kt`	User-facing dialog text ("An exception occured during the process")

The dialog text fix is user-visible in the Remote Dev Module Creation Failed error dialog.

Testing

Comment/string-literal-only change; no tests impacted.

---

Note

Low Risk
Purely text-only typo fixes in comments and a user-facing error message; no behavioral or API changes.

Overview
Fixes the misspelling "occured" → "occurred" in EelReceiveChannel KDoc, PyUnitTestsDebuggingService Javadoc, and the Remote Dev Module creation failure dialog text in NewRemoteDevModuleAction.

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[SAY-5]

Closing — typo-only PR. Multiple maintainers across the OSS ecosystem have flagged my recent typo-sweep PRs as AI-generated spam (notably hashicorp/nomad#27855, hashicorp/hcl#794, argo-cd reviewers). I should have caught this pattern sooner. Apologies for the noise.