Using periods in relative timeframes will now work properly

[dorian-krefft-dt]

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[Copilot]

Pull request overview

This PR fixes a bug where date-based relative timeframes (weeks, months, quarters, years) were not working properly in DQL queries. The issue was caused by attempting to use Java's Period class with Instant.plus(), which is not supported for date-based units. The fix converts the Instant to ZonedDateTime, performs the date arithmetic, and converts back to Instant.

Changes:

• Fixed date-based duration calculations by replacing Period operations with ZonedDateTime operations
• Corrected QUARTER calculation from 4 months to 3 months (fixing a secondary bug)
• Updated CHANGELOG to document the bug fix

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
src/main/java/pl/thedeem/intellij/dql/definition/model/DQLDurationType.java	Replaced Period-based operations with ZonedDateTime-based operations for WEEK, MONTH, QUARTER, and YEAR duration types; corrected QUARTER from 4 to 3 months
CHANGELOG.md	Added bug fix entry describing the fix for relative timeframes with periods

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