resourceloader: Add $context to static functions in ResourceLoader

resourceloader: Add $context to static functions in ResourceLoader

This change allows to use the context in the functions.

The following internal static functions from ResourceLoader get now a
reference to the ResourceLoaderContext object:
* makeLoaderImplementScript
* makeLoaderStateScript
* makeLoaderRegisterScript
* makeLoaderSourcesScript

ResouceLoader::encodeJsonForScript is duplicated to
ResourceLoaderContext::encodeJson loading the debug mode from context.

ResourceLoader::encodeJsonForScript is kept for other usages without
context.

The debug mode is loaded from $context->getDebug() instead of from
ResourceLoader::inDebugMode(). This does not support to enable the debug
mode by setting the cookie 'resourceLoaderDebug' or the configuration
variable wgResourceLoaderDebug. Only the URL parameter debug=true
enables the debug mode. This should be sufficient for the subsequent
ResourceLoader requests. The tests don't need the global variable
wgResourceLoaderDebug anymore. The initial ResourceLoader context in
OutputPage still uses ResourceLoader::inDebugMode() with cookie and
global configuration variable.

This change adds the parameter $context with a ResourceLoaderContext
object to ResourceLoaderModule::getDeprecationInformation and deprecates
omitting the parameter. Ifa1a3bb56b731b83864022a358916c6aca5d7c10
updates this in extension ExtJSBase.

Bug: T229311
Change-Id: I5341f18625209446a6d006f60244990f65530319