[release-5.7] Loki search does not allow special chars

When using the observability loki console, the search field does not accept special chars that should be escaped. For example, introduce the term "manager-role" (with quotes).

4.13 with logging 5.7.1

Alwasy

1. Install the loki stack and configure the logging operator to use it
2. Select the loki search
3. In content, introduce some text between quotes, like "manager-role"

An exception in the search

Search using an escaped sequence

https://grafana.com/blog/2021/01/05/how-to-escape-special-characters-with-lokis-logql