KT-7484 Companion object is marked unused if it's only usages are statically imported from Java

#KT-7484 fixed

idea/testData/inspections/unusedSymbol/object/companionObjectWithStatics.java

@@ -0,0 +1,8 @@
+import static companionObjectWithStatics.Foo.*
+
+class JavaUsage {
+    public static void main(String[] args) {
+        System.out.println(CONST + CONST);
+        foo()
+    }
+}

idea/testData/inspections/unusedSymbol/object/companionObjectWithStatics.kt

@@ -0,0 +1,10 @@
+package companionObjectWithStatics
+
+class Foo {
+    companion object {
+        platformStatic fun foo() {
+        }
+
+        val CONST = 111
+    }
+}