* [jsscripting] Refactor ThreadsafeTimers to create futures inline instead of in an extra methods
* [jsscripting] Introduce utility class for providing easy access to script services
* [jsscripting] Reimplement timer creation methods from ScriptExecution for thread-safety
* [jsscripting] Add missing JavaDoc for reimplement timer creation methods
* [jsscripting] Remove the future from the map when setTimeout expires
* [jsscripting] Rename `GraalJSScriptServiceUtil` to `JSScriptServiceUtil`
* [jsscripting] Remove the `createTimerWithArgument` method
* [jsscripting] Replace the OSGi workaround of `JSScriptServiceUtil` with an injection mechanism
* [jsscripting] Use constructor to inject `JSScriptServiceUtil` into `GraalJSScriptEngineFactory`
* [jsscripting] Minor improvements by @J-N-K (#1)
* [jsscripting] Minor changes related to last commit to keep flexibility of `JSRuntimeFeatures`
* [jsscripting] Upgrade openhab-js to v2.1.1
* [jsscripting] Remove unused code
Signed-off-by: Florian Hotze <florianh_dev@icloud.com>
Co-authored-by: Jan N. Klug <github@klug.nrw>
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