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Add requiresMultilineToPreserveSemantics helper and apply it to the Expr.SameInfixApps code path. Chained infix expressions (e.g. |>, <*|) with an open-ended leading or intermediate expression (lambda, if-then-else) now stay multiline instead of collapsing to a single line with parentheses, preventing semantic changes.
Replace parenthesis wrapping with comma-leading multiline layout when a non-last tuple element is open-ended (lambda, if-then-else, match, try-with, try-finally). This removes wrapInfixAppRhsInParenIfNeeded and the ad-hoc containsLambdaOrMatchExpr check in genTupleMultiline, replacing both with requiresMultilineToPreserveSemantics. Also extends isOpenEndedExpression to include match, function, try-with, and try-finally expressions.
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Related to #3279