[FIR] Change type of argumentMapping properties and parameters from Map

to LinkedHashMap, to signify that the order is important and we don't
assume that mutableMapOf() will always return a LinkedHashMap.

compiler/fir/tree/src/org/jetbrains/kotlin/fir/expressions/FirArgumentUtil.kt

@@ -22,7 +22,7 @@ fun buildBinaryArgumentList(left: FirExpression, right: FirExpression): FirArgum
 fun buildArraySetArgumentList(rValue: FirExpression, indexes: List<FirExpression>): FirArgumentList =
     FirArraySetArgumentList(rValue, indexes)
 
-fun buildResolvedArgumentList(mapping: Map<FirExpression, FirValueParameter>): FirArgumentList =
+fun buildResolvedArgumentList(mapping: LinkedHashMap<FirExpression, FirValueParameter>): FirArgumentList =
     FirResolvedArgumentList(mapping)
 
 object FirEmptyArgumentList : FirAbstractArgumentList() {

compiler/fir/tree/src/org/jetbrains/kotlin/fir/expressions/FirExpressionUtil.kt

@@ -40,7 +40,7 @@ inline val FirCall.arguments: List<FirExpression> get() = argumentList.arguments
 
 inline val FirCall.argument: FirExpression get() = argumentList.arguments.first()
 
-inline val FirCall.argumentMapping: Map<FirExpression, FirValueParameter>?
+inline val FirCall.argumentMapping: LinkedHashMap<FirExpression, FirValueParameter>?
     get() = (argumentList as? FirResolvedArgumentList)?.mapping
 
 fun FirExpression.toResolvedCallableReference(): FirResolvedNamedReference? {

compiler/fir/tree/src/org/jetbrains/kotlin/fir/expressions/impl/FirResolvedArgumentList.kt

@@ -11,7 +11,7 @@ import org.jetbrains.kotlin.fir.expressions.FirExpression
 import org.jetbrains.kotlin.fir.visitors.FirVisitor
 
 class FirResolvedArgumentList internal constructor(
-    val mapping: Map<FirExpression, FirValueParameter>
+    val mapping: LinkedHashMap<FirExpression, FirValueParameter>
 ) : FirAbstractArgumentList() {
     override val arguments: List<FirExpression>
         get() = mapping.keys.toList()