* Made DalamudAsset-to-something tables into arrays from dictionaries.
Number of items in the DalamudAsset enum aren't many, and the numbers
are small enough that implementing lookup tables as arrays aren't
wasting much memory space.
* Removed locking from asset accessors, while still guaranteeing that
the load operation happens only once per asset.
* ISharedImmediateTexture: made it not even access assets if textures
are available.
* Add IInternal/PublicDisposableService
Plugins are exposed interfaces that are not inherited from
`IDisposable`, but services implementing plugin interfaces often
implement `IDisposable`. Some plugins may try to call
`IDisposable.Dispose` on everything provided, and it also is possible to
use `using` clause too eagerly while working on Dalamud itself, such as
writing `using var smth = await Service<SomeService>.GetAsync();`. Such
behaviors often lead to a difficult-to-debug errors, and making those
services either not an `IDisposable` or making `IDisposable.Dispose` do
nothing if the object has been loaded would prevent such errors. As
`ServiceManager` must be the only class dealing with construction and
disposal of services, `IInternalDisposableService` has been added to
limit who can dispose the object. `IPublicDisposableService` also has
been added to classes that can be constructed and accessed directly by
plugins; for those, `Dispose` will be ignored if the instance is a
service instance, and only `DisposeService` will respond.
In addition, `DalamudPluginInterface` and `UiBuilder` also have been
changed so that their `IDisposable.Dispose` no longer respond, and
instead, internal functions have been added to only allow disposal from
Dalamud.
* Cleanup
* Postmerge fixes
* More explanation on RunOnFrameworkThread(ClearHooks)
* Mark ReliableFileStorage public ctor obsolete
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Co-authored-by: goat <16760685+goaaats@users.noreply.github.com>