Fix max power level in room permissions

[kfiven]

Description

Fix allowed value of power level in room permissions, earlier the max value was 100 even if room members have power level more than 100.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings

Preview: https://62544fef87aa0d00685dcef6--pr-cinny.netlify.app
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[ajbura]

LGTM