Fixes and enhancements (#350)

* Fixes #147

* Fixes #149 and #151

* Fixed #153

* Fixes #154

* Update ContextMenu.vue

* Revert temp change to test windows

* More bug fixes

* Fixed modpack install bug

* Fixes #314

* Lint

* Fix #261

theseus_gui/src/pages/project/Index.vue

@@ -345,7 +345,9 @@ const markInstalled = () => {
 async function install(version) {
   installing.value = true
   let queuedVersionData
-  instance.value = await getInstance(instance.value.path, false).catch(handleError)
+  if (instance.value) {
+    instance.value = await getInstance(instance.value.path, false).catch(handleError)
+  }
 
   if (installed.value) {
     await remove_project(