Heatmap: seems to handle non-square maps poorly

[LebedevRI]

Describe the bug

repro

using Plots
X = [2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20]
Y = [0.01, 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 0.1]
Z = Any[1.684546606428003 1.6019863721854912 1.5311535611260816 1.4958706666881894 1.5496668046601456 1.6323724201129486 1.5834958326179036 1.5612945221190409 1.620878647109812 1.6389231376647313; 1.6185526080115862 1.5744134685825464 1.604266244857568 1.5069695775449572 1.5387460330673066 1.5512130384649678 1.5539697019377499 1.6089187867886188 1.72552344604062 1.7083534626669756; 1.6070885916817654 1.5759943427860943 1.4971683661960693 1.6277712651702074 1.6037305543768343 1.594010359054599 1.6932838080874473 1.717719890677844 1.7217683278141258 1.7784729582811065; 1.5988654997167473 1.5955243161580812 1.442519104465148 1.5368784328892235 1.522679724921123 1.6205946069666637 1.7274209711842792 1.7627255243612134 1.8461774591961435 1.8880102350381551; 1.660447720214129 1.511595178338966 1.5046177970629024 1.5642116204060363 1.6079958098876959 1.6691728876534708 1.7556749823088733 1.8038303839717165 1.9142692999912838 2.0301391827066695; 1.5400208385200567 1.549262985404913 1.540239470935162 1.6282525884669958 1.65963712310196 1.7633076462277206 1.8259307524993982 1.9682458747876557 2.0035682236068078 2.103288467105192; 1.5254846497854357 1.5515509524397217 1.6176329015298443 1.6305859959539146 1.7328056452240554 1.8064120368350771 1.8888175289283684 2.029194231399353 2.107537451210512 2.2294450790536353; 1.5661255912012306 1.5914097587144342 1.5505207883276038 1.7157380917206317 1.714823157435668 1.8730176188867071 1.9879101440054903 2.0928890440963075 2.2198834800987566 2.3497448680367197; 1.5840874538764755 1.5298912262640234 1.6382819763272964 1.717803102579833 1.8298753757751183 1.9395810049917637 2.032573103936236 2.181043044262758 2.2988606126342646 2.449500595123666; 1.6245092540469332 1.5727092717779603 1.6375393328585517 1.7290027547254927 1.8601383007879835 2.0079473242115893 2.1108546236302157 2.2704812452452434 2.403918289708982 2.4121596071467093; 1.663129856538585 1.616060758836459 1.6313301298832947 1.778846791835103 1.879463651824574 2.0612583649085523 2.1706474949734758 2.3123242305225364 2.4168840450821554 2.4067305719105003; 1.6250665178153656 1.6199504001471807 1.717485083218524 1.8013258116813107 1.9951839391212574 2.119610882748694 2.2817920439847446 2.3653291123516884 2.383188946927458 2.398080029754985; 1.5939025754157268 1.635616916277271 1.6479962730569755 1.883705358158919 2.0348718121505756 2.163655185740433 2.3576110246497013 2.3584867078791296 2.3392380841486933 2.392210304767542; 1.6173911142857642 1.6215667150952644 1.7245920488933073 1.8834067495982787 2.067307979978824 2.2337791791022017 2.410148531859091 2.404804868502919 2.3789472517372836 2.3820159360787865; 1.6105478639233561 1.6548745882149287 1.7500514451272107 1.8875498054857762 2.0786009730712363 2.3322466152082275 2.367395485215887 2.360032764621845 2.368240263364913 2.3483659288861594; 1.5934464983379768 1.6556148809642555 1.811678060452694 1.996439093439329 2.1851023959719464 2.354938126014114 2.3653689915966267 2.3579550986571585 2.3468028737347444 2.329145241038463; 1.6350499859651846 1.7015707571442529 1.8498976146683355 2.0282310233987597 2.215660943383953 2.332902397921121 2.3286475819836223 2.341782080419441 2.34042048703592 2.4169973445472723; 1.6320378066034358 1.6831620892324435 1.833883587673916 2.0473167566606114 2.2922938734950957 2.358555078110044 2.280784068654644 2.2981010736231626 2.3111369761227807 2.394620587389853; 1.6453309213103808 1.7077479534143394 1.8289667534926346 2.1319607497065274 2.2895898981868847 2.3095885851142013 2.2749808413767174 2.310046404672394 2.342175997215059 2.430262014337018]
plotlyjs()
heatmap(X,Y,Z; size=(2*800,800))

results in:

~Half of the map seems to not be drawn.

Version info

Please provide the following:

1. output of julia command versioninfo()

julia> versioninfo()
Julia Version 1.10.5
Commit 613e91e85c (2024-09-06 18:17 UTC)
Platform Info:
  OS: Linux (x86_64-pc-linux-gnu)
  CPU: 32 × AMD Ryzen 9 5950X 16-Core Processor
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-15.0.7 (ORCJIT, znver3)
Threads: 32 default, 0 interactive, 16 GC (on 32 virtual cores)
Environment:
  JULIA_NUM_THREADS = 32

2. Output running the following in Julia 0.7 or greater: using Pkg; pkg"status" (if you are on Julia 0.6 or earlier run Pkg.status())

julia> using Pkg; pkg"status"
Status `~/.julia/environments/v1.10/Project.toml`
  [8f4d0f93] Conda v1.10.2
  [a93c6f00] DataFrames v1.6.1
  [31c24e10] Distributions v0.25.111
  [f6369f11] ForwardDiff v0.10.36
  [28b8d3ca] GR v0.73.7
  [7073ff75] IJulia v1.25.0
  [b6b21f68] Ipopt v1.6.6
  [4076af6c] JuMP v1.23.1
  [2fda8390] LsqFit v0.15.0
  [eff96d63] Measurements v2.11.0
  [961ee093] ModelingToolkit v9.38.0
  [7f7a1694] Optimization v3.28.0
  [3e6eede4] OptimizationBBO v0.3.0
  [36348300] OptimizationOptimJL v0.3.2
  [58dd65bb] Plotly v0.4.1
  [a03496cd] PlotlyBase v0.8.19
  [f0f68f2c] PlotlyJS v0.18.13
  [f2990250] PlotlyKaleido v2.2.4
  [91a5bcdd] Plots v1.40.8
  [92933f4c] ProgressMeter v1.10.2
  [274fc56d] PythonPlot v1.0.5
  [276daf66] SpecialFunctions v2.4.0
  [2913bbd2] StatsBase v0.34.3
  [1986cc42] Unitful v1.21.0