chore: clean out the logs time range issues / old logs explorer routes issue

[vikrantgupta25]

Summary

• removed the timeRange object from the URL. this was causing confusion and issues with the custom time ranges and the relative time ranges in the logs.
• rely on the global state of time for everything as that is our source of truth and the trigger for the APIs as well.
• copy log link should also work on the concept of startTime , endTime rather than the timeRange object. the activeLogId remains as is.
• Updated the permissions to access the old logs explorer page to similar as new logs explorer page as it wasn't working on reload or sharing the URL
• updated the fontSize for the old logs explorer page to be in sync with new logs explorer page giving the users a uniform view.

Related Issues / PR's

fixes - #4820

fixes - https://github.com/SigNoz/engineering-pod/issues/1486

Screenshots

NA

Affected Areas and Manually Tested Areas

• Relative and Custom time with the new logs explorer page ( sharing the same with absolute toggle on and off )
• Drag and Drop in the time series graph and then sharing the URLs
• Reload on the old logs explorer page and sharing the URL.
• format of font size on the old and new logs to be in sync

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