Fix: getWorldTime a nil value

[omarcopires]

Pull Request Prelude

• I have followed proper The Forgotten Server code styling.
• I have read and understood the contribution guidelines before making this PR.
• I am aware that this PR may be closed if the above-mentioned criteria are not fulfilled.

Changes Proposed

1. Sets the function to the current standard.
2. Fixes minute sampling from 20:35.2 to 20:35.
3. Turns clock scripts into revscript.
4. Adds compatibility with previous function.

Issues addressed:

Lua Script Error: [Action Interface]
data/actions/scripts/others/watch.lua:onUse
data/global.lua:92: attempt to call global 'getWorldTime' (a nil value)
stack traceback:
        data/global.lua:92: in function 'getFormattedWorldTime'
        data/actions/scripts/others/watch.lua:2: in function <data/actions/scripts/others/watch.lua:1>