[FE 1.0] Don't fail on calls of functions with contracts from object

^KT-51704 Fixed

compiler/testData/diagnostics/testsWithStdLib/contracts/smartcasts/functionInCompanion.kt

@@ -0,0 +1,38 @@
+// FIR_IDENTICAL
+// ISSUE: KT-51704
+
+import Foo.Companion.checkSomethingCompanion
+import Bar.checkSomethingObject
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.contract
+
+class Foo {
+    companion object {
+        @OptIn(ExperimentalContracts::class)
+        fun checkSomethingCompanion(condition: Boolean, message: String) {
+            contract {
+                returns() implies (condition)
+            }
+            if (!condition)
+                throw Exception(message)
+        }
+    }
+}
+
+object Bar {
+    @OptIn(ExperimentalContracts::class)
+    fun checkSomethingObject(condition: Boolean, message: String) {
+        contract {
+            returns() implies (condition)
+        }
+        if (!condition)
+            throw Exception(message)
+    }
+}
+
+fun usage() {
+    Foo.checkSomethingCompanion(1 == 2, "wat")    // ok
+    checkSomethingCompanion(1 == 2, "wat")        // compiler crash
+    Bar.checkSomethingObject(1 == 2, "wat")    // ok
+    checkSomethingObject(1 == 2, "wat")        // compiler crash
+}