feat: 2023 Cleanup and Enhancements

[barredterra]

• Implemented correction and cancellation invoice capabilities, offering more flexibility in invoice management.
• Removed hardcoded salutation and epilogue from all templates.
• Standardized the contact table style across various components for a consistent look and feel.
• Adjusted the delivery note row description for better clarity and alignment with other documents.
• Changed all text to English. Provided German translations separately.
• Modified the sender's size and alignment to be smaller and vertically centered.
• Removed colons in subject line ("Angebot: 1" -> "Angebot 1")
• Addressed an issue where the customer address was not displaying correctly in the delivery note.
• Resolved many issues with Request for Quotation
• Prevented the stripping of text editor tags in Purchase Orders (PO) and Request for Quotations (RFQ), maintaining the integrity of formatted content.
• Updated the styling for Text Editor content to be consistent with the rest of the document.
• Added a print format for Dunning.