Fixes for ReplaceArraysCopyOfWithCopyOfInspection

- Reduce applicability range
- Don't fix reporting level, otherwise it won't be possible to change
  it in settings
- Using isCalling utility

idea/testData/inspectionsLocal/replaceArraysCopyOfWithCopyOf/qualified.kt

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+fun test() {
+    val array = intArrayOf(1, 2, 3)
+    val result = java.util.Arrays.<caret>copyOf(array, 3)
+}

idea/testData/inspectionsLocal/replaceArraysCopyOfWithCopyOf/qualified.kt.after

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+fun test() {
+    val array = intArrayOf(1, 2, 3)
+    val result = array.copyOf(3)
+}

idea/testData/inspectionsLocal/replaceArraysCopyOfWithCopyOf/simple.kt

@@ -3,5 +3,5 @@ import java.util.Arrays
 
 fun test() {
     val array = intArrayOf(1, 2, 3)
-    val result = <caret>Arrays.copyOf(array, 3)
+    val result = Arrays.<caret>copyOf(array, 3)
 }