OpenSystemsDevelopment / qpdf

…a map during the first pass, add custom comparator for sorting keys.

Refactor QPDFAcroFormDocumentHelper::transformAnnotations

… redundant `initialized_dr_map` flag and directly checking `dr`.

…g with `Dictionary` and `Array`.

… with `std::deque` in `traverse_field` for better performance and simplify traversal logic.

…ield` function to increase code clarity.

…h `std::list<Dictionary>`, simplify `/Kids` handling, and update method calls for consistency.

…annotation` to increase code clarity.

…h operator[], update type handling for clarity and consistency, and streamline resource merging.

Add new private-API class Integer

…ndling, replace `QPDFObjectHandle` with direct type usage, and remove redundant `QTC::TC` calls.

…, remove redundant `QTC::TC` call, and simplify type usage.

…e handling to improve clarity and consistency.

Refactor: consolidate `field_to_annotations` and `field_to_name` maps…

…roFormDocumentHelper`, replace redundant maps with `FieldData` encapsulation.

Replace calls to `isNull`with calls to `null`

…n `QPDFWriter` and `QPDFJob`.

…eamFilter`, include necessary private headers.

…n `QPDFPageDocumentHelper`, `QPDFPageObjectHelper` and `QPDFPageLabelDocumentHelper`.

…n `QPDFOutlineObjectHelper` and `QPDFOutlineDocumentHelper`.

…s in `QPDFFormFieldObjectHelper`.

…n `QPDFAcroFormDocumentHelper`.

…emove redundant `QTC::TC` calls.

Fix `replaceKey` in `BaseDictionary`: update to use `null`/`indirect`…

Fixes #1532.

Refactor private-API class Dictionary

…df::Dictionary`, update constructors, and streamline logic with `Dictionary` API.

…simplify iteration logic, update to use `Dictionary` API, and streamline error checks.

…with subscript operator, simplify logic, and improve error checks.

…h subscript operator, streamline `repair` with `Dictionary` initializer, and remove redundant semicolon.

…access, and streamline logic.

…y` with subscript operator, and simplify logic.

…`getKey` with subscript operator, and simplify logic.

…ictionary` APIs, replace `getKey` with subscript operator, streamline logic, and simplify bounds checks.

…y, and simplify implementation.

…erator[]`, and simplify null handling logic.