[FIR] Filter out incorrect library provides for dependencyProviders

Get rid of providers duplication

compiler/testData/diagnostics/tests/noLibraryProvidersDuplication.kt

@@ -0,0 +1,15 @@
+// FIR_IDENTICAL
+// TARGET_BACKEND: JVM
+// WITH_STDLIB
+
+// MODULE: lib
+
+// MODULE: main()()(lib)
+
+fun nullIfEmpty(list: List<String>): List<String>? {
+    return if (list.isNotEmpty()) {
+        list
+    } else {
+        null
+    }
+}