chore: eslint - switch no-this-alias error to warn

Switch rule to warn for now - too many
complicated code that uses `self` alias for this

Author: mayorovad

.eslintrc.json

@@ -18,7 +18,7 @@
         "no-dupe-else-if": "warn",
         "no-warning-comments": "warn",
         "import/no-absolute-path": "warn",
-        
+        "@typescript-eslint/no-this-alias": "warn",
         "@typescript-eslint/no-explicit-any": "off",        
         "@typescript-eslint/ban-ts-comment": "off",      
         "@typescript-eslint/ban-types": "off",