Deactivate all extensions flag (#2206)

* feat: allow all extension deactivation

* doc: updated comment

* fix: make sure `register_routes` executes after installed extensions are checked

* chore: code format

* fix: do not run migration on deactivated extensions

* fix: make sure the deactivated extension list is loaded in time

* feat: register extension routes if extension never loaded before

* fix: move `load_disabled_extension_list`

* doc: disable by default

lnbits/extension_manager.py

@@ -604,11 +604,23 @@ class CreateExtension(BaseModel):
     source_repo: str
 
 
-def get_valid_extensions() -> List[Extension]:
-    return [
+def get_valid_extensions(include_deactivated: Optional[bool] = True) -> List[Extension]:
+    valid_extensions = [
         extension for extension in ExtensionManager().extensions if extension.is_valid
     ]
 
+    if include_deactivated:
+        return valid_extensions
+
+    if settings.lnbits_extensions_deactivate_all:
+        return []
+
+    return [
+        e
+        for e in valid_extensions
+        if e.code not in settings.lnbits_deactivated_extensions
+    ]
+
 
 def version_parse(v: str):
     """