[FIR] mark empty file annotation container as resolved

To avoid redundant lazy resolve

^KT-56551

compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/converter/DeclarationsConverter.kt

@@ -120,11 +120,12 @@ class DeclarationsConverter(
             this.sourceFile = sourceFile
             this.sourceFileLinesMapping = linesMapping
             this.packageDirective = packageDirective ?: buildPackageDirective { packageFqName = context.packageFqName }
-            annotationsContainer = fileAnnotationContainer
-                 ?: buildFileAnnotationsContainer {
-                    moduleData = baseModuleData
-                    containingFileSymbol = fileSymbol
-                }
+            annotationsContainer = fileAnnotationContainer ?: buildFileAnnotationsContainer {
+                moduleData = baseModuleData
+                containingFileSymbol = fileSymbol
+                resolvePhase = FirResolvePhase.BODY_RESOLVE
+            }
+
             imports += importList
             declarations += firDeclarationList
         }
@@ -329,6 +330,10 @@ class DeclarationsConverter(
                     ANNOTATION_ENTRY -> container += convertAnnotationEntry(node)
                 }
             }
+
+            annotations.ifEmpty {
+                resolvePhase = FirResolvePhase.BODY_RESOLVE
+            }
         }
     }
 

compiler/fir/raw-fir/psi2fir/src/org/jetbrains/kotlin/fir/builder/RawFirBuilder.kt

@@ -1049,6 +1049,10 @@ open class RawFirBuilder(
                     for (annotationEntry in file.annotationEntries) {
                         annotations += annotationEntry.convert<FirAnnotation>()
                     }
+
+                    annotations.ifEmpty {
+                        resolvePhase = FirResolvePhase.BODY_RESOLVE
+                    }
                 }
 
                 for (importDirective in file.importDirectives) {