KeyError when dev'ing a package with strong-dep extension triggers

[topolarity]

# Project.toml
name = "Foo"
uuid = "0a21ebe4-285f-4d3c-b082-40545a858146"
authors = ["Cody Tapscott <[email protected]>"]
version = "0.1.0"

[deps]
ModelingToolkit = "961ee093-0014-501f-94e3-6117800e7a78"

[weakdeps]
SymbolicIndexingInterface = "2efcf032-c050-4f8e-a9bb-153293bab1f5"

[extensions]
ModelingToolkitFooExt = ["ModelingToolkit", "SymbolicIndexingInterface"]

When trying to dev this package it gives a KeyError:

julia +1.10 --project=tmp -q
(tmp) pkg> dev Foo
ERROR: KeyError: key "ModelingToolkit" not found
Stacktrace:
  [1] getindex
    @ ./dict.jl:498 [inlined]
  [2] status_ext_info(pkg::Pkg.Types.PackageSpec, env::Pkg.Types.EnvCache)
    @ Pkg.Operations ~/.julia/juliaup/julia-1.10.5+0.x64.linux.gnu/share/julia/stdlib/v1.10/Pkg/src/Operations.jl:2213
  [3] print_status(env::Pkg.Types.EnvCache, old_env::Pkg.Types.EnvCache, registries::Vector{Pkg.Registry.RegistryInstance}, header::Symbol, uuids::Vector{Base.UUID}, names::Vector{String}; manifest::Bool, diff::Bool, ignore_indent::Bool, outdated::Bool, extensions::Bool, io::Base.TTY, mode::Pkg.Types.PackageMode, hidden_upgrades_info::Bool, show_usagetips::Bool)
    @ Pkg.Operations ~/.julia/juliaup/julia-1.10.5+0.x64.linux.gnu/share/julia/stdlib/v1.10/Pkg/src/Operations.jl:2298
  [4] print_status
    @ ~/.julia/juliaup/julia-1.10.5+0.x64.linux.gnu/share/julia/stdlib/v1.10/Pkg/src/Operations.jl:2240 [inlined]
  [5] status(env::Pkg.Types.EnvCache, registries::Vector{Pkg.Registry.RegistryInstance}, pkgs::Vector{Pkg.Types.PackageSpec}; header::Symbol, mode::Pkg.Types.PackageMode, git_diff::Bool, env_diff::Pkg.Types.EnvCache, ignore_indent::Bool, io::Base.TTY, outdated::Bool, extensions::Bool, hidden_upgrades_info::Bool, show_usagetips::Bool)
    @ Pkg.Operations ~/.julia/juliaup/julia-1.10.5+0.x64.linux.gnu/share/julia/stdlib/v1.10/Pkg/src/Operations.jl:2471
  [6] status (repeats 2 times)
    @ ~/.julia/juliaup/julia-1.10.5+0.x64.linux.gnu/share/julia/stdlib/v1.10/Pkg/src/Operations.jl:2442 [inlined]
  [7] #show_update#167
    @ ~/.julia/juliaup/julia-1.10.5+0.x64.linux.gnu/share/julia/stdlib/v1.10/Pkg/src/Operations.jl:2438 [inlined]
  [8] develop(ctx::Pkg.Types.Context, pkgs::Vector{Pkg.Types.PackageSpec}, new_git::Set{Base.UUID}; preserve::Pkg.Types.PreserveLevel, platform::Base.BinaryPlatforms.Platform)
    @ Pkg.Operations ~/.julia/juliaup/julia-1.10.5+0.x64.linux.gnu/share/julia/stdlib/v1.10/Pkg/src/Operations.jl:1416
  [9] develop
    @ ~/.julia/juliaup/julia-1.10.5+0.x64.linux.gnu/share/julia/stdlib/v1.10/Pkg/src/Operations.jl:1402 [inlined]
 [10] develop(ctx::Pkg.Types.Context, pkgs::Vector{Pkg.Types.PackageSpec}; shared::Bool, preserve::Pkg.Types.PreserveLevel, platform::Base.BinaryPlatforms.Platform, kwargs::@Kwargs{io::Base.TTY})
    @ Pkg.API ~/.julia/juliaup/julia-1.10.5+0.x64.linux.gnu/share/julia/stdlib/v1.10/Pkg/src/API.jl:225
 [11] develop(pkgs::Vector{Pkg.Types.PackageSpec}; io::Base.TTY, kwargs::@Kwargs{})
    @ Pkg.API ~/.julia/juliaup/julia-1.10.5+0.x64.linux.gnu/share/julia/stdlib/v1.10/Pkg/src/API.jl:159
 [12] develop(pkgs::Vector{Pkg.Types.PackageSpec})
    @ Pkg.API ~/.julia/juliaup/julia-1.10.5+0.x64.linux.gnu/share/julia/stdlib/v1.10/Pkg/src/API.jl:148
 [13] do_cmd!(command::Pkg.REPLMode.Command, repl::REPL.LineEditREPL)
    @ Pkg.REPLMode ~/.julia/juliaup/julia-1.10.5+0.x64.linux.gnu/share/julia/stdlib/v1.10/Pkg/src/REPLMode/REPLMode.jl:412
 [14] do_cmd(repl::REPL.LineEditREPL, input::String; do_rethrow::Bool)
    @ Pkg.REPLMode ~/.julia/juliaup/julia-1.10.5+0.x64.linux.gnu/share/julia/stdlib/v1.10/Pkg/src/REPLMode/REPLMode.jl:390
 [15] do_cmd
    @ ~/.julia/juliaup/julia-1.10.5+0.x64.linux.gnu/share/julia/stdlib/v1.10/Pkg/src/REPLMode/REPLMode.jl:380 [inlined]
 [16] (::Pkg.REPLMode.var"#24#27"{REPL.LineEditREPL, REPL.LineEdit.Prompt})(s::REPL.LineEdit.MIState, buf::IOBuffer, ok::Bool)
    @ Pkg.REPLMode ~/.julia/juliaup/julia-1.10.5+0.x64.linux.gnu/share/julia/stdlib/v1.10/Pkg/src/REPLMode/REPLMode.jl:557
 [17] #invokelatest#2
    @ ./essentials.jl:892 [inlined]
 [18] invokelatest
    @ ./essentials.jl:889 [inlined]
 [19] run_interface(terminal::REPL.Terminals.TextTerminal, m::REPL.LineEdit.ModalInterface, s::REPL.LineEdit.MIState)
    @ REPL.LineEdit ~/.julia/juliaup/julia-1.10.5+0.x64.linux.gnu/share/julia/stdlib/v1.10/REPL/src/LineEdit.jl:2656
 [20] run_frontend(repl::REPL.LineEditREPL, backend::REPL.REPLBackendRef)
    @ REPL ~/.julia/juliaup/julia-1.10.5+0.x64.linux.gnu/share/julia/stdlib/v1.10/REPL/src/REPL.jl:1312
 [21] (::REPL.var"#62#68"{REPL.LineEditREPL, REPL.REPLBackendRef})()
    @ REPL ~/.julia/juliaup/julia-1.10.5+0.x64.linux.gnu/share/julia/stdlib/v1.10/REPL/src/REPL.jl:386

On 1.10:

julia> versioninfo()
Julia Version 1.10.5
Commit 6f3fdf7b362 (2024-08-27 14:19 UTC)
Build Info:
  Official https://julialang.org/ release
Platform Info:
  OS: Linux (x86_64-linux-gnu)
  CPU: 12 × 12th Gen Intel(R) Core(TM) i7-1255U
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-15.0.7 (ORCJIT, alderlake)
Threads: 1 default, 0 interactive, 1 GC (on 12 virtual cores)

Related: #3797