Add support to insensitive case operators (#11737)

* feat: refactor apply-query & implements icontains

* feat: implements icontains in app

* New translations en-US.yaml

* tests: fix returns the filter operators for binary

* implement rest insensitive operators

* fix: proposal to fix #5996 (convert "in" into "exists")

* delete unused imports

* fix: prevent error when operator filter value is null

* fix: apply-query imports

* some tests

* fix: _nstarts_with not applied correctly

* tests: add some filter mathematical tests

app/src/utils/generate-joi/index.ts

@@ -92,6 +92,10 @@ export default function generateJoi(filter: Record<string, any> | null, options?
 				schema[key] = Joi.string().contains(Object.values(value)[0]);
 			}
 
+			if (operator === '_icontains') {
+				schema[key] = Joi.string().contains(Object.values(value)[0]);
+			}
+
 			if (operator === '_ncontains') {
 				schema[key] = Joi.string().ncontains(Object.values(value)[0]);
 			}