Optimized GHC in GHCi breakpoint ticks overflow
Loading ghc in ghci with `-O` `-no-unoptimized-core-for-interpreter` results in too many breakpoints being created in the same module and overflowing the Word16 available for breakpoint ticks in a module.
```
[514 of 889] Compiling GHC.CmmToAsm.LA64.Ppr ( /Users/romes/ghc-dev/25996/compiler/GHC/CmmToAsm/LA64/Ppr.hs, interpreted )[ghc-9.15-inplace] [Missing bytecode]
<no location info>: error:
panic! (the 'impossible' happened)
GHC version 9.15.20250818:
schemeER_wrk: breakpoint tick/info index too large!
65553
Call stack:
CallStack (from HasCallStack):
pprPanic, called at compiler/GHC/ByteCode/Asm.hs:850:26 in ghc-9.15-inplace:GHC.ByteCode.Asm
Please report this as a GHC bug: https://www.haskell.org/ghc/reportabug
[631 of 889] Compiling GHC.Tc.Errors.Ppr ( /Users/romes/ghc-dev/25996/compiler/GHC/Tc/Errors/Ppr.hs, interpreted )[ghc-9.15-inplace] [Missing bytecode]
<no location info>: error:
panic! (the 'impossible' happened)
GHC version 9.15.20250818:
schemeER_wrk: breakpoint tick/info index too large!
65575
Call stack:
CallStack (from HasCallStack):
pprPanic, called at compiler/GHC/ByteCode/Asm.hs:850:26 in ghc-9.15-inplace:GHC.ByteCode.Asm
Please report this as a GHC bug: https://www.haskell.org/ghc/reportabug
```
We should update the break tick indexes to be `Word32`s
issue