[O2B-753] Search on log text

[martinboulais]

I have a JIRA ticket

• [x] branch and/or PR name(s) include(s) JIRA ID
• [x] issue has "Fix version" assigned
• [x] issue "Status" is set to "In review"
• [x] PR labels are selected

Notable changes for users:

• Logs can now be filtered on their content