FIR IDE: fix package reference resolve

idea/testData/resolve/references/packageReference/javaPackageFirstQualifier.kt

@@ -0,0 +1,4 @@
+fun x() {
+    val z = jav<caret>a.util.ArrayList()
+}
+// REF: java

idea/testData/resolve/references/packageReference/javaPackageSecondQualifier.kt

@@ -0,0 +1,4 @@
+fun x() {
+    val z = java.uti<caret>l.ArrayList()
+}
+// REF: util

idea/testData/resolve/references/packageReference/kotlinPackageFirstQualifier.kt

@@ -0,0 +1,4 @@
+fun x() {
+    val z = kotli<caret>n.text.toString()
+}
+// REF: kotlin

idea/testData/resolve/references/packageReference/kotlinPackageSecondQualifier.kt

@@ -0,0 +1,4 @@
+fun x() {
+    val z = kotlin.tex<caret>t.toString()
+}
+// REF: text