Use camel-case in FirFunctionCallOrigin

Also componentCall is operator call

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/builder/FirFunctionCallBuilder.kt

@@ -43,7 +43,7 @@ open class FirFunctionCallBuilder : FirAbstractFunctionCallBuilder, FirAnnotatio
     override var extensionReceiver: FirExpression = FirNoReceiverExpression
     override var argumentList: FirArgumentList = FirEmptyArgumentList
     override lateinit var calleeReference: FirNamedReference
-    override var origin: FirFunctionCallOrigin = FirFunctionCallOrigin.REGULAR
+    override var origin: FirFunctionCallOrigin = FirFunctionCallOrigin.Regular
 
     @OptIn(FirImplementationDetail::class)
     override fun build(): FirFunctionCall {

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirComponentCallImpl.kt

@@ -39,7 +39,7 @@ internal class FirComponentCallImpl(
 ) : FirComponentCall() {
     override var typeRef: FirTypeRef = FirImplicitTypeRefImpl(null)
     override var calleeReference: FirNamedReference = FirSimpleNamedReference(source, Name.identifier("component$componentIndex"), null)
-    override val origin: FirFunctionCallOrigin = FirFunctionCallOrigin.REGULAR
+    override val origin: FirFunctionCallOrigin = FirFunctionCallOrigin.Operator
 
     override fun <R, D> acceptChildren(visitor: FirVisitor<R, D>, data: D) {
         typeRef.accept(visitor, data)

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirImplicitInvokeCallImpl.kt

@@ -35,7 +35,7 @@ internal class FirImplicitInvokeCallImpl(
     override var calleeReference: FirNamedReference,
 ) : FirImplicitInvokeCall() {
     override var typeRef: FirTypeRef = FirImplicitTypeRefImpl(null)
-    override val origin: FirFunctionCallOrigin = FirFunctionCallOrigin.OPERATOR
+    override val origin: FirFunctionCallOrigin = FirFunctionCallOrigin.Operator
 
     override fun <R, D> acceptChildren(visitor: FirVisitor<R, D>, data: D) {
         typeRef.accept(visitor, data)

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

@@ -6,5 +6,5 @@
 package org.jetbrains.kotlin.fir.expressions
 
 enum class FirFunctionCallOrigin {
-    REGULAR, INFIX, OPERATOR
+    Regular, Infix, Operator
 }

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/BuilderConfigurator.kt

@@ -179,7 +179,7 @@ object BuilderConfigurator : AbstractBuilderConfigurator<FirTreeBuilder>(FirTree
         builder(functionCall) {
             configurationForFunctionCallBuilder()
             default("origin") {
-                value = "FirFunctionCallOrigin.REGULAR"
+                value = "FirFunctionCallOrigin.Regular"
             }
         }
         builder(implicitInvokeCall, init = configurationForFunctionCallBuilder)

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/ImplementationConfigurator.kt

@@ -154,11 +154,11 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
         }
 
         impl(implicitInvokeCall) {
-            default("origin", "FirFunctionCallOrigin.OPERATOR")
+            default("origin", "FirFunctionCallOrigin.Operator")
         }
 
         impl(componentCall) {
-            default("origin", "FirFunctionCallOrigin.REGULAR")
+            default("origin", "FirFunctionCallOrigin.Operator")
         }
 
         impl(qualifiedAccessExpression)