renderer: add an option to disable cm and auto-skip cm if not necessary

fixes #9641

adds render:cm_enabled default true

src/config/ConfigDescriptions.hpp

@@ -1378,6 +1378,12 @@ inline static const std::vector<SConfigOptionDescription> CONFIG_OPTIONS = {
         .type        = CONFIG_OPTION_BOOL,
         .data        = SConfigOptionDescription::SBoolData{true},
     },
+    SConfigOptionDescription{
+        .value       = "render:cm_enabled",
+        .description = "Enable Color Management pipelines (requires restart to fully take effect)",
+        .type        = CONFIG_OPTION_BOOL,
+        .data        = SConfigOptionDescription::SBoolData{true},
+    },
 
     /*
      * cursor: