Cura 12701 user estimation factor

[HellAholic]

Description

This change is purely visual and will not affect the print time data inside the gcode.

Adds a field to the machine settings page of the printer to allow the users to adjust the print estimation shown after the slice.

The field takes a float value between 1 to 1000 calculated as a percentage with default value of 100
The factor is applied to all the different print time values returned from the engine

The behavior is unchanged if the factor is at default value of 100 - no adjustments made

Ensures the new slice time estimate message does not collide with other UI elements if the message is too long

Type of change

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

How Has This Been Tested?

• Build on Windows and validate functionality
• Modify the value and slice -> should show the *User Adjusted
• Set the value back to 100 -> should show the print estimate unchanged

Test Configuration:

• Operating System: Windows 11

Checklist:

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

[github-actions]

Test Results

23 981 tests  ±0   23 979 ✅ ±0   47s ⏱️ ±0s
     1 suites ±0        2 💤 ±0 
     1 files   ±0        0 ❌ ±0 

Results for commit 4a9fcd1. ± Comparison against base commit ede8b7e.

♻️ This comment has been updated with latest results.

[rburema]

I think I'd personally just set it up per-printer in the settings, that way, we can communicate it to the engine & that can use the 'proper' time-estimates, which would then also work with c. cloud.

[fieldOfView]

Looks like the field is in the wrong column; I don't think this has anything to do with the printhead (right column) and should instead be in the left column (printer)