flame: adding startup folder to environ var

refactory to use `DL_PYTHON_HOOK_PATH`
also cover `QT_AUTO_SCREEN_SCALE_FACTOR` issue

openpype/hosts/flame/__init__.py

@@ -3,3 +3,21 @@ import os
 HOST_DIR = os.path.dirname(
     os.path.abspath(__file__)
 )
+
+
+def add_implementation_envs(env, _app):
+    # Add requirements to DL_PYTHON_HOOK_PATH
+    pype_root = os.environ["OPENPYPE_REPOS_ROOT"]
+    new_flame_paths = os.path.join(
+        pype_root, "openpype", "hosts", "flame", "startup")
+
+    env["DL_PYTHON_HOOK_PATH"] = os.pathsep.join(new_flame_paths)
+    env.pop("QT_AUTO_SCREEN_SCALE_FACTOR", None)
+
+    # Set default values if are not already set via settings
+    defaults = {
+        "LOGLEVEL": "DEBUG"
+    }
+    for key, value in defaults.items():
+        if not env.get(key):
+            env[key] = value

openpype/hosts/flame/hooks/pre_flame_setup.py

@@ -4,7 +4,9 @@ import tempfile
 import contextlib
 import socket
 from openpype.lib import (
-    PreLaunchHook, get_openpype_username)
+    PreLaunchHook,
+    get_openpype_username
+)
 from openpype.hosts import flame as opflame
 import openpype.hosts.flame.api as opfapi
 import openpype