[FIR] fix NPE on missing java annotations qualifier

^KTIJ-23075 fixed

compiler/fir/analysis-tests/legacy-fir-tests/tests-gen/org/jetbrains/kotlin/fir/LazyBodyIsNotTouchedTilContractsPhaseTestGenerated.java

@@ -3025,6 +3025,11 @@ public class LazyBodyIsNotTouchedTilContractsPhaseTestGenerated extends Abstract
             runTest("compiler/fir/analysis-tests/testData/resolve/problems/innerClassHierarchy.kt");
         }
 
+        @TestMetadata("javaClassWithEmptyAnnotationName.kt")
+        public void testJavaClassWithEmptyAnnotationName() throws Exception {
+            runTest("compiler/fir/analysis-tests/testData/resolve/problems/javaClassWithEmptyAnnotationName.kt");
+        }
+
         @TestMetadata("javaQualifier.kt")
         public void testJavaQualifier() throws Exception {
             runTest("compiler/fir/analysis-tests/testData/resolve/problems/javaQualifier.kt");

compiler/fir/analysis-tests/testData/resolve/problems/javaClassWithEmptyAnnotationName.fir.txt

@@ -0,0 +1,4 @@
+FILE: main.kt
+    public final fun main(): R|kotlin/Unit| {
+        lval j: R|JavaClass| = R|/JavaClass.JavaClass|()
+    }

compiler/fir/analysis-tests/testData/resolve/problems/javaClassWithEmptyAnnotationName.kt

@@ -0,0 +1,10 @@
+// FILE: main.kt
+
+fun main() {
+    val j: JavaClass =  JavaClass()
+}
+
+// FILE: JavaClass.java
+
+@()
+public class JavaClass {}

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirDiagnosticTestGenerated.java

@@ -3431,6 +3431,12 @@ public class FirDiagnosticTestGenerated extends AbstractFirDiagnosticTest {
                 runTest("compiler/fir/analysis-tests/testData/resolve/problems/innerClassHierarchy.kt");
             }
 
+            @Test
+            @TestMetadata("javaClassWithEmptyAnnotationName.kt")
+            public void testJavaClassWithEmptyAnnotationName() throws Exception {
+                runTest("compiler/fir/analysis-tests/testData/resolve/problems/javaClassWithEmptyAnnotationName.kt");
+            }
+
             @Test
             @TestMetadata("javaQualifier.kt")
             public void testJavaQualifier() throws Exception {

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirDiagnosticsWithLightTreeTestGenerated.java

@@ -3431,6 +3431,12 @@ public class FirDiagnosticsWithLightTreeTestGenerated extends AbstractFirDiagnos
                 runTest("compiler/fir/analysis-tests/testData/resolve/problems/innerClassHierarchy.kt");
             }
 
+            @Test
+            @TestMetadata("javaClassWithEmptyAnnotationName.kt")
+            public void testJavaClassWithEmptyAnnotationName() throws Exception {
+                runTest("compiler/fir/analysis-tests/testData/resolve/problems/javaClassWithEmptyAnnotationName.kt");
+            }
+
             @Test
             @TestMetadata("javaQualifier.kt")
             public void testJavaQualifier() throws Exception {