Change default of optimize-debug to off for developer-builds

Backtraces with optimize-debug are less useful due to scoped variables
no longer alive, and some gcc bugs with inlining.

Fixes: QTBUG-75514
Change-Id: I6d62441047daee8f7079d1538dfc92015dd7ea63
Reviewed-by: Kai Koehne <kai.koehne@qt.io>
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>

configure.json

@@ -639,6 +639,7 @@
         },
         "optimize_debug": {
             "label": "Optimize debug build",
+            "autoDetect": "!features.developer-build",
             "condition": "!config.msvc && !config.clang && (features.debug || features.debug_and_release) && tests.optimize_debug",
             "output": [ "privateConfig" ]
         },