Add support for multiple lines in text node

[williamchange]

Adds the following for the text node:

• ability to insert new lines using \n and text editor popup for ease of editing larger texts
• horizontal alignment options
• line spacing
• Text edit dialog (Shift + Enter, Esc shortcuts for Ok / Cancel)

https://github.com/user-attachments/assets/dd7b3d86-6061-463f-b5b3-a153e8534eb4

[williamchange]

Added text edit dialog (Shift + Enter, Esc shortcuts for Ok / Cancel)

text_edit_popup.webm