Use accessor annotations to determine nullness, etc.

Accessor annotations are now more complete due to adding in the
`asType` annotations.

Author: Randgalt

record-builder-processor/src/main/java/io/soabase/recordbuilder/processor/InternalRecordBuilderProcessor.java

@@ -567,12 +567,12 @@ private void addNullCheckCodeBlock(CodeBlock.Builder builder, int index) {
     }
 
     private boolean isNotNullAnnotated(RecordClassType component) {
-        return component.getCanonicalConstructorAnnotations().stream().anyMatch(annotation -> notNullPattern
+        return component.getAccessorAnnotations().stream().anyMatch(annotation -> notNullPattern
                 .matcher(annotation.getAnnotationType().asElement().getSimpleName().toString()).matches());
     }
 
     private boolean isNullableAnnotated(RecordClassType component) {
-        return component.getCanonicalConstructorAnnotations().stream().anyMatch(annotation -> nullablePattern
+        return component.getAccessorAnnotations().stream().anyMatch(annotation -> nullablePattern
                 .matcher(annotation.getAnnotationType().asElement().getSimpleName().toString()).matches());
     }