mono-jit

- fix alignment issue with jitcache that could cause a crash.
- Reimplement sparse-jit to only use 1 layer.
    - the old 2 layer approach basically only ever used 1 path due to the bottom-layer size, so doing a double look-up seemed wasteful.
    - changed memory block allocation stategy to allocate based on requested code range instead of the possible address-space.

Co-authored-by: LotP1 <68976644+LotP1@users.noreply.github.com>

src/ARMeilleure/Translation/TranslatorStubs.cs

@@ -161,7 +161,7 @@ namespace ARMeilleure.Translation
             context.BranchIfTrue(lblFallback, masked);
 
             Operand index = default;
-            Operand page = Const((long)_functionTable.Base);
+            Operand page = Const(_functionTable.Base);
 
             for (int i = 0; i < _functionTable.Levels.Length; i++)
             {