Crash with road tool

[lucasfeijo]

UI crashed when I accidentally selected weird shapes of road by right-clicking many times. I then tried ESC, but that still didn't cancel the tool for me, so I went for the undo button at the bottom of the screen, and it appeared that they crashed the UI.

`Citybound version: v0.1.2-823-gdfa71eb

Error: Rust WASM error: panicked at 'New meshes too big for one queue', <::std::macros::panic macros>:2:4
__cargo_web_snippet_02c4e2a0b5064de55f45be035a59d7b2a67e2cec in ../target/wasm32-unknown-unknown/release/cb_browser_ui.js 556:59
ZN13cb_browser_ui5start28$u7b$$u7b$closure$u7d$$u7d$17h9568161eb75d4f62E in /cb_browser_ui.wasm:wasm-function[406]:0x309c8 undefined:undefined
_ZN3std9panicking20rust_panic_with_hook17hbc8c5d497b01d8d8E in /cb_browser_ui.wasm:wasm-function[5404]:0x293aa0 undefined:undefined
_ZN3std9panicking11begin_panic17h9c5a26e626f3ccc1E in /cb_browser_ui.wasm:wasm-function[433]:0x3a119 undefined:undefined
_ZN12michelangelo12mesh_grouper18MeshQueue$LT$K$GT$4push17h2bb1c405b09bd7c1E in /cb_browser_ui.wasm:wasm-function[801]:0x8aa10 undefined:undefined
_ZN12michelangelo12mesh_grouper20MeshGrouper$LT$K$GT$6update17h38d6a514161b503aE in /cb_browser_ui.wasm:wasm-function[803]:0x8b252 undefined:undefined
ZN160$LT$cb_browser_ui..planning_browser..BrowserPlanningUI$u20$as$u20$cb_planning..plan_manager..ui..PlanningUI$LT$cb_simulation..planning..CBPlanningLogic$GT$$GT$25on_project_preview_update17h15f8e243e9899b86E in /cb_browser_ui.wasm:wasm-function[786]:0x85f17 undefined:undefined
ZN3kay5class5Class11add_handler28$u7b$$u7b$closure$u7d$$u7d$17h4645fc41a035cdadE in /cb_browser_ui.wasm:wasm-function[221]:0x1aeb8 undefined:undefined
_ZN3kay5class14instance_store13InstanceStore16receive_instance17hac9ea507da9b1c8fE in /cb_browser_ui.wasm:wasm-function[5042]:0x27bce1 undefined:undefined
_ZN3kay5class5Class15handle_messages17ha151a7028d05e25bE in /cb_browser_ui.wasm:wasm-function[5024]:0x27a23f undefined:undefined
`