Prepare 2023.6.1 release + env var adjustments

[tomasMizera]

• Updates versions to 2023.6.1
• Alters default values of path variables so that it works when deployed locally
• Changed default permissions to guest as it was creating confusion and security questions, see Security issue: projects are visible without permissions #131

[coveralls]

Pull Request Test Coverage Report for Build 7275332589

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 93.799%

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Totals
Change from base Build 7195234894:	0.0%
Covered Lines:	5476
Relevant Lines:	5838

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💛 - Coveralls