Raw FIR: handle local visibility for functions & classes

compiler/fir/psi2fir/src/org/jetbrains/kotlin/fir/builder/RawFirBuilder.kt

@@ -498,7 +498,7 @@ class RawFirBuilder(val session: FirSession, val stubMode: Boolean) {
                     classOrObject,
                     FirClassSymbol(currentClassId),
                     classOrObject.nameAsSafeName,
-                    classOrObject.visibility,
+                    if (classOrObject.isLocal) Visibilities.LOCAL else classOrObject.visibility,
                     classOrObject.modality,
                     classOrObject.hasExpectModifier(),
                     classOrObject.hasActualModifier(),
@@ -596,7 +596,7 @@ class RawFirBuilder(val session: FirSession, val stubMode: Boolean) {
                     function,
                     FirFunctionSymbol(callableIdForName(function.nameAsSafeName, function.isLocal)),
                     function.nameAsSafeName,
-                    function.visibility,
+                    if (function.isLocal) Visibilities.LOCAL else function.visibility,
                     function.modality,
                     function.hasExpectModifier(),
                     function.hasActualModifier(),

compiler/fir/psi2fir/testData/rawBuilder/expressions/locals.txt

@@ -1,6 +1,6 @@
 FILE: locals.kt
     public? final? fun withLocals(p: Int): Int {
-        public? final? class Local : kotlin/Any {
+        local final? class Local : kotlin/Any {
             public? constructor(pp: Int): super<kotlin/Any>()
 
             public? final? val pp: Int = R|<local>/pp|
@@ -13,7 +13,7 @@ FILE: locals.kt
         }
 
         lval x: <implicit> = Local#(Int(42)).diff#()
-        public? final? fun sum(y: Int, z: Int, f: ( (Int, Int) -> Int )): Int {
+        local final? fun sum(y: Int, z: Int, f: ( (Int, Int) -> Int )): Int {
             ^sum plus#(x#, f#(plus#(y#, z#)))
         }