Checked that import popup now works for callable references

idea/testData/quickfix/autoImports/callableReferenceExtension.after.kt

@@ -0,0 +1,5 @@
+import dependency.extensionFun
+
+// "Import" "true"
+// ERROR: Unresolved reference: extensionFun
+val v = String::extensionFun<caret>

idea/testData/quickfix/autoImports/callableReferenceExtension.before.Dependency.kt

@@ -0,0 +1,3 @@
+package dependency
+
+fun String.extensionFun(){}

idea/testData/quickfix/autoImports/callableReferenceExtension.before.Main.kt

@@ -0,0 +1,3 @@
+// "Import" "true"
+// ERROR: Unresolved reference: extensionFun
+val v = String::extensionFun<caret>

idea/testData/quickfix/autoImports/callableReferenceTopLevel.after.kt

@@ -0,0 +1,5 @@
+import dependency.topLevelFun
+
+// "Import" "true"
+// ERROR: Unresolved reference: topLevelFun
+val v = ::topLevelFun<caret>

idea/testData/quickfix/autoImports/callableReferenceTopLevel.before.Dependency.kt

@@ -0,0 +1,3 @@
+package dependency
+
+fun topLevelFun(){}

idea/testData/quickfix/autoImports/callableReferenceTopLevel.before.Main.kt

@@ -0,0 +1,3 @@
+// "Import" "true"
+// ERROR: Unresolved reference: topLevelFun
+val v = ::topLevelFun<caret>