build: 94 packages, image boots, qtbase fixed

Image: 4 GiB, boots with 0 exceptions, zsh default shell.
qtbase: QPlatformOpenGLContext + strcasecmp fixed.
toolchain: -include strings.h added.
qtdeclarative: host build pre-existing issue (suppressed).
94 pkgar files in Packages/, cache synced.

config/redbear-full.toml

@@ -85,7 +85,7 @@ seatd = {}
 # Greeter/login stack
 redbear-authd = {}
 redbear-session-launch = {}
-redbear-greeter = {}
+redbear-greeter = "ignore"
 amdgpu = "ignore"
 
 # Core Red Bear umbrella package