[FIR] Do not include transitive friend dependencies in symbol provider

When flattening a dependency FirSymbolProvider, make sure transitive
dependency FirSymbolProviders are not included. This requires checking
that nested symbol provider sessions match the composite symbol provider
session when they are both source sessions.

^KT-60614 Fixed

compiler/tests-gen/org/jetbrains/kotlin/klib/KlibIrTextTestCaseGenerated.java

@@ -388,11 +388,6 @@ public class KlibIrTextTestCaseGenerated extends AbstractKlibIrTextTestCase {
             runTest("compiler/testData/ir/irText/declarations/kt35550.kt");
         }
 
-        @TestMetadata("kt45308.kt")
-        public void testKt45308() throws Exception {
-            runTest("compiler/testData/ir/irText/declarations/kt45308.kt");
-        }
-
         @TestMetadata("kt47527.kt")
         public void testKt47527() throws Exception {
             runTest("compiler/testData/ir/irText/declarations/kt47527.kt");