Linux: SteamVR overlay support (#1299)

* fix: open folder and select item on linux

* feat: linux wrist overlay

* feat: linux hmd overlay

* feat: replace unix sockets with shm on linux

* fix: reduce linux wrist overlay fps

* fix: hide electron offscreen windows

* fix: destroy electron offscreen windows when not in use

* fix: open folder and select item on linux

* feat: cpu, uptime and device monitoring on linux

* feat: native wayland gl context with x11 fallback on linux

* fix: use platform agnostic wording for common folders

* fix: crash dumps folder button on linux

* fix: enable missing VR notification options on linux

* fix: update cef, eslint config to include updated AppApiVr names

* merge: rebase linux VR changes to upstream

* Clean up

* Load custom file contents rather than path

Fixes loading custom file in debug mode

* fix: call SetVR on linux as well

* fix: AppApiVrElectron init, properly create and dispose of shm

* Handle avatar history error

* Lint

* Change overlay dispose logic

* macOS DOTNET_ROOT

* Remove moving dotnet bin

* Fix

* fix: init overlay on SteamVR restart

* Fix fetching empty instance, fix user dialog not fetching

* Trim direct access inputs

* Make icon higher res, because mac build would fail 😂

* macOS fixes

* will it build? that's the question

* fix: ensure offscreen windows are ready before vrinit

* will it build? that's the question

* will it build? that's the question

* meow

* one, more, time

* Fix crash and overlay ellipsis

* a

---------

Co-authored-by: Natsumi <cmcooper123@hotmail.com>

src/shared/utils/base/ui.js

@@ -151,35 +151,35 @@ function updateTrustColorClasses(trustColor) {
     document.getElementsByTagName('head')[0].appendChild(style);
 }
 
-function refreshCustomCss() {
+async function refreshCustomCss() {
     if (document.contains(document.getElementById('app-custom-style'))) {
         document.getElementById('app-custom-style').remove();
     }
-    AppApi.CustomCssPath().then((customCss) => {
+    const customCss = await AppApi.CustomCss();
+    if (customCss) {
         const head = document.head;
-        if (customCss) {
-            const $appCustomStyle = document.createElement('link');
-            $appCustomStyle.setAttribute('id', 'app-custom-style');
-            $appCustomStyle.rel = 'stylesheet';
-            $appCustomStyle.href = `file://${customCss}?_=${Date.now()}`;
-            head.appendChild($appCustomStyle);
-        }
-    });
+        const $appCustomStyle = document.createElement('link');
+        $appCustomStyle.setAttribute('id', 'app-custom-style');
+        $appCustomStyle.rel = 'stylesheet';
+        $appCustomStyle.type = 'text/css';
+        $appCustomStyle.textContent = customCss;
+        head.appendChild($appCustomStyle);
+    }
 }
 
-function refreshCustomScript() {
+async function refreshCustomScript() {
     if (document.contains(document.getElementById('app-custom-script'))) {
         document.getElementById('app-custom-script').remove();
     }
-    AppApi.CustomScriptPath().then((customScript) => {
+    const customScript = await AppApi.CustomScript();
+    if (customScript) {
         const head = document.head;
-        if (customScript) {
-            const $appCustomScript = document.createElement('script');
-            $appCustomScript.setAttribute('id', 'app-custom-script');
-            $appCustomScript.src = `file://${customScript}?_=${Date.now()}`;
-            head.appendChild($appCustomScript);
-        }
-    });
+        const $appCustomScript = document.createElement('script');
+        $appCustomScript.setAttribute('id', 'app-custom-script');
+        $appCustomScript.type = 'text/javascript';
+        $appCustomScript.textContent = customScript;
+        head.appendChild($appCustomScript);
+    }
 }
 
 /**

src/shared/utils/location.js

@@ -60,7 +60,7 @@ function parseLocation(tag) {
         ctx.isPrivate = true;
     } else if (_tag === 'traveling' || _tag === 'traveling:traveling') {
         ctx.isTraveling = true;
-    } else if (!_tag.startsWith('local')) {
+    } else if (tag && !_tag.startsWith('local')) {
         ctx.isRealInstance = true;
         const sep = _tag.indexOf(':');
         // technically not part of instance id, but might be there when coping id from url so why not support it