This address build failing on MacOS 26.

Issue 1:

Local build fail on Local MacOS Tahoe 26+ because :

• plugin needs OBS-Deps to build
• obs-deps contains QT6 (pre 6.9.2)
• QT6 < 6.9.2 integrate Apple's SDK AGL Framework
• AGL Framework is obsolete for some time AND Has been removed from MacOS 26+ SDK. Source

This is solved in CMakeLists.txt by selectively removing the AGL framework requirement.

Issue 2:

Local build will fail on macos 26+ because of some local variable conflicting

Impact : Build will fail with multiple errors simialr to

clang++: error: conflicting deployment targets, both '26.1' and '26.1' are present in environment
clang++: error: conflicting deployment targets, both '26.1' and '26.1' are present in environment
clang++: error: conflicting deployment targets, both '26.1' and '26.1' are present in environment
clang++: error: conflicting deployment targets, both '26.1' and '25.1' are present in environment

Solution : actively unset some environment variable.

This is solved in cmake/macos/xcode.cmake

These 2 issues should be only happening locally. the fixes have no expected mpact on the github-actions (this PR will confirm if ctually is fine)

Issue 3:
Re-organise the /tools/ folder.

• Rename / simplify scripts names for easier "in terminal" use
• Enable more verbose output for script testing