fix: keep oversized inline image on one page in DOCX rendering - #134

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Dereference of a possibly null reference.

Possible null reference argument for parameter 'key' in 'bool Dictionary<string, CellBorderInfo>.TryGetValue(string key, out CellBorderInfo value)'.

Possible null reference argument for parameter 's' in 'bool NetFxPolyfills.Contains(string s, string value, StringComparison comparison)'.

Possible null reference argument for parameter 'key' in 'CellBorderInfo Dictionary<string, CellBorderInfo>.this[string key]'.

Possible null reference argument for parameter 'Style' in 'BorderSide.BorderSide(string Style, PdfColor? Color)'.

Possible null reference argument for parameter 'target' in 'string ExcelReader.ResolveRelationshipTarget(string sourceDirectory, string target)'.

Possible null reference argument for parameter 'key' in 'string Dictionary<string, string>.this[string key]'.

Dereference of a possibly null reference.

Possible null reference argument for parameter 'footerFormat' in 'void ExcelToPdfConverter.RenderPageFooter(IReadOnlyList<PdfPage> pages, string footerFormat, int startPage, int endPage, int totalPages, float footerY, float marginL, float marginR)'.