Best Fit Interpolator 1.0.2

Restored the Framework interpolation button and connected it back to the Framework workflow.
Aligned Framework Ordinary Kriging validation with the Geoestatistics logic.
Fixed MoM validation so it recognizes previously completed Ordinary Kriging interpolation.
Updated automatic MoM/REML classification threshold to 100 samples.
Preserved manual REML allowance up to 500 samples when explicitly selected by the user.
Improved automatic variogram model selection for Ordinary Kriging.
Fixed QGIS package ZIP compatibility by removing Windows backslash paths.
Fixed QGIS security scan false positives related to variogram model identifiers.
Fixed Qt6 compatibility scan issues by replacing direct Qt5 references with QGIS PyQt-compatible imports.