PackageDirectoryMismatchInspection: fix visibility in editor

#KT-31816 Fixed

idea/src/org/jetbrains/kotlin/idea/refactoring/move/changePackage/PackageDirectoryMismatchInspection.kt

@@ -12,6 +12,7 @@ import com.intellij.codeInspection.ProblemsHolder
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.roots.JavaProjectRootsUtil
 import com.intellij.openapi.ui.Messages
+import com.intellij.openapi.util.TextRange
 import com.intellij.psi.PsiManager
 import com.intellij.refactoring.PackageWrapper
 import com.intellij.refactoring.move.moveClassesOrPackages.AutocreatingSingleSourceRootMoveDestination
@@ -29,6 +30,7 @@ import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.psi.KtFile
 import org.jetbrains.kotlin.psi.KtPackageDirective
 import org.jetbrains.kotlin.psi.packageDirectiveVisitor
+import org.jetbrains.kotlin.psi.psiUtil.startOffset
 
 class PackageDirectoryMismatchInspection : AbstractKotlinInspection() {
     override fun buildVisitor(holder: ProblemsHolder, isOnTheFly: Boolean) = packageDirectiveVisitor(fun(directive: KtPackageDirective) {
@@ -51,9 +53,12 @@ class PackageDirectoryMismatchInspection : AbstractKotlinInspection() {
             fixes += ChangePackageFix("'${fqNameWithImplicitPrefix.asString()}'", fqNameWithImplicitPrefix)
         }
 
+        val textRange = if (directive.textLength != 0) directive.textRange else file.declarations.firstOrNull()?.let {
+            TextRange.from(it.startOffset, 1)
+        }
         holder.registerProblem(
             file,
-            directive.textRange,
+            textRange,
             "Package directive doesn't match file location",
             *fixes.toTypedArray()
         )

idea/testData/multiFileInspections/mismatchedProjectAndDirectoryRoot/expected.xml

@@ -1,7 +1,7 @@
 <problems>
     <problem>
         <file>rootPackageMatched.kt</file>
-        <line>1</line>
+        <line>2</line>
         <module>testMismatchedProjectAndDirectoryRoot_MismatchedProjectAndDirectoryRoot</module>
         <entry_point TYPE="file" FQNAME="rootPackageMatched.kt" />
         <problem_class severity="WARNING" attribute_key="WARNING_ATTRIBUTES">Package name does not match containing directory</problem_class>

idea/testData/multiFileLocalInspections/moveFileToPackageMatchingDirectory/moveToDefaultDirectory/after/test.kt

@@ -1,3 +1,5 @@
+// FIX: Move file to source root
+
 package
 
 class Foo

idea/testData/multiFileLocalInspections/moveFileToPackageMatchingDirectory/moveToDefaultDirectory/before/source/test.kt

@@ -1,3 +1,5 @@
+// FIX: Move file to source root
+
 <caret>package
 
 class Foo

idea/testData/multiFileLocalInspections/moveFileToPackageMatchingDirectory/moveToDefaultDirectoryWithoutPackageKeyword/after/test.kt

@@ -1,3 +1,4 @@
+// FIX: Move file to source root
 
 class Foo
 

idea/testData/multiFileLocalInspections/moveFileToPackageMatchingDirectory/moveToDefaultDirectoryWithoutPackageKeyword/before/source/test.kt

@@ -1,5 +1,6 @@
-<caret>
+// FIX: Move file to source root
-class Foo
+
+<caret>class Foo
 
 fun foo() {