Fix RemoveUnusedImports removing imports used as static field qualifiers (#7383)

Co-authored-by: Tim te Beek <tim@moderne.io>

Author: utafrali

rewrite-java-test/src/test/java/org/openrewrite/java/RemoveUnusedImportsTest.java

@@ -2398,6 +2398,34 @@ public class Foo {
         );
     }
 
+    @Issue("https://github.com/openrewrite/rewrite/issues/7380")
+    @Test
+    void keepImportWhenUsedOnlyAsStaticFieldQualifier() {
+        rewriteRun(
+          java(
+            """
+            package foo;
+            public class A {
+                public static final int VALUE = 1;
+            }
+            """
+          ),
+          java(
+            """
+            package bar;
+
+            import foo.A;
+
+            public class Test {
+                public int getValue() {
+                    return A.VALUE;
+                }
+            }
+            """
+          )
+        );
+    }
+
     @Issue("https://github.com/openrewrite/rewrite/issues/6544")
     @Test
     void starImportWithExplicitImportsFromSamePackage() {

rewrite-java/src/main/java/org/openrewrite/java/RemoveUnusedImports.java

@@ -224,7 +224,7 @@ public J.CompilationUnit visitCompilationUnit(J.CompilationUnit cu, ExecutionCon
                             .filter(fq -> fq.getOwningClass() == null || !topLevelTypeNames.contains(fq.getOwningClass().getFullyQualifiedName()))
                             .collect(toSet());
                     JavaType.FullyQualified qualidType = TypeUtils.asFullyQualified(elem.getQualid().getType());
-                    if (combinedTypes.isEmpty() || sourcePackage.equals(elem.getPackageName()) && qualidType != null && !qualidType.getFullyQualifiedName().contains("$")) {
+                    if ((combinedTypes.isEmpty() && !unqualifiedTypeNames.contains(elem.getTypeName())) || sourcePackage.equals(elem.getPackageName()) && qualidType != null && !qualidType.getFullyQualifiedName().contains("$")) {
                         anImport.used = false;
                         changed = true;
                     } else if ("*".equals(elem.getQualid().getSimpleName())) {
@@ -271,7 +271,7 @@ public J.CompilationUnit visitCompilationUnit(J.CompilationUnit cu, ExecutionCon
                             return elem.getPackageName().equals(c.getPackageName());
                         }
                         return fullyQualifiedNamesAreEqual(c.getFullyQualifiedName(), elem.getTypeName());
-                    })) {
+                    }) && !unqualifiedTypeNames.contains(elem.getTypeName())) {
                         anImport.used = false;
                         changed = true;
                     }