feat: enhance pattern piece dock

[DSCaskey]

This feature enhances the Pattern Pieces dock.

• Adds a Pattern Piece Letter column.
• Adds a toolbar with the following tool buttons

• Include All pieces
• Invert included pieces
• Exclude All pieces
• Lock All pieces
• Invert locked pieces
• Unlock All pieces
• Color selector
• Edit piece properties

• Replaces the checkmark icon with the "eye" visible on / off icon.
• Fixes the Sort by Color

Fixes issue #1000

[ghost]

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[what-the-diff]

PR Summary 📝

🌐 This pull request makes terrific strides in language accessibility, making the product much more global-friendly. It's been all about extending language support and localizing the user interface to help our users around the world feel at home when using our product. 🌍

• Expanded Language support 🗣️

  Hooray to our multilingual team, we now have updated translations for:

  • Czech (cs_CZ) 🇨🇿
  • German (de_DE) 🇩🇪
  • Greek (el_GR) 🇬🇷
  • Canadian English (en_CA) 🇨🇦
  • British English (en_GB) 🇬🇧
  • Indian English (en_IN) 🇮🇳
  • American English (en_US) 🇺🇸

  and so many more languages, for terms such as "Select Color", "Edit pattern piece properties", "Included", "Pattern piece is locked", among others. 🎉

• Enhancements to the interface geometry in pieces_widget.ui 📐

  We tweaked the interface to look more neat and user friendly. There were modifications to the width and height properties. A new minimumSize property was also added to make sure things look just right. 🖥️

• New Buttons in the Interface 🖱️

  We have now included several QToolButton widgets to the layout, making it more engaging and adding more functionalities. 👌

• Updated tableWidget for better organization 📊

  This pull request updates the tableWidget; we increased the column count and modified how the data is displayed to create a more streamlined and intuitive view. We also changed the layout for enhanced appearance. 🌟

• Improved Code in pieces_widget.h 🛠️

  Adjustments were made to the pieces_widget.h file. We added new functions and updated existing ones to take advantage of the new constructor parameter.

• Include new icon in icon.qrc 🖼️

  A new icon has been added to our resources. Welcome, invert_selection.png! 🎉

Hold on tight for an even more collaborative and engaging experience! Onwards and upwards, team! 🚀💙