Re-write of Search and Replace

[GregValiant]

Added some options:

• Replace only the 'First Instance' of the Search term.
• Limit the Search to a layer range.
• 'Ignore StartUp G-code'
• 'Ignore Ending G-code'

Description

Added flexibility to the script. The options still allow a full Search and Replace as well as a limited Search and Replace.

Type of change

• [ X] New feature (non-breaking change which adds functionality)

How Has This Been Tested?

I have been using this version for a year with multiple Cura versions.

Test Configuration:
Win10 Pro on a laptop.
UM Cura 4.13.1 to 5.9beta.

Checklist:

• [ X] My code follows the style guidelines of this project as described in UltiMaker Meta and Cura QML best practices
• [ X] I have read the Contribution guide
• [ X] I have commented my code, particularly in hard-to-understand areas
• [ X] I have uploaded any files required to test this change