chore: Miscellaneous eslint fixes

/puter/packages/backend/src/om/entitystorage/ValidationES.js
  89:25  error  Do not assign to the exception parameter  no-ex-assign

/puter/packages/backend/src/om/proptypes/__all__.js
  166:17  warning  Unexpected 'debugger' statement  no-debugger

/puter/packages/backend/src/routers/_default.js
  405:31  error  'err' is not defined  no-undef

packages/backend/src/om/entitystorage/ValidationES.js

@@ -86,6 +86,7 @@ class ValidationES extends BaseES {
                 } catch ( e ) {
                     if ( ! (e instanceof APIError) ) {
                         console.log('THIS IS HAPPENING', e);
+                        // eslint-disable-next-line no-ex-assign
                         e = APIError.create('field_invalid', null, {
                             key: prop.name,
                             converted_from_another_error: true,

packages/backend/src/om/proptypes/__all__.js

@@ -163,7 +163,7 @@ module.exports = {
         },
         async adapt (value, { descriptor }) {
             if ( descriptor.debug ) {
-                debugger;
+                debugger; // eslint-disable-line no-debugger
             }
             if ( ! descriptor.service ) return value;
             if ( ! value ) return null;

packages/backend/src/routers/_default.js

@@ -402,7 +402,7 @@ router.all('*', async function(req, res, next) {
             });
         } catch (e) {
             console.error('error from sendFile', e);
-            return res.status(err.statusCode).send('Error /apps/')
+            return res.status(e.statusCode).send('Error /apps/')
         }
     }
     // --------------------------------------