[FIR2IR] Implement tables merging in Fir2Ir classes and SymbolTable

- Pass dependent (usually common code) components to further FIR2IR converters
- Don't reinitialize builtin

compiler/testData/codegen/box/multiplatform/multiModule/enumEntryNameCall.kt

@@ -0,0 +1,14 @@
+// TARGET_BACKEND: JVM
+// !LANGUAGE: +MultiPlatformProjects
+
+// MODULE: common
+// TARGET_PLATFORM: Common
+// FILE: common.kt
+
+enum class Base { OK }
+
+// MODULE: jvm()()(common)
+// TARGET_PLATFORM: JVM
+// FILE: main.kt
+
+fun box() = Base.OK.name