Allow multipage apps in puterjs (#1368)

* Allow multipage apps in puterjs

* Don't error on browsers which dont support sessionStorage

Author: ProgrammerIn-wonderland

src/puter-js/src/index.js

@@ -126,12 +126,13 @@ export default globalThis.puter = (function() {
             context.services = this.services;
 
             // Holds the query parameters found in the current URL
-            let URLParams = new URLSearchParams(globalThis.location?.search);
+            let URLParams = new URLSearchParams(globalThis.sessionStorage?.getItem("puter_search_params") || globalThis.location?.search);
 
             // Figure out the environment in which the SDK is running
-            if (URLParams.has('puter.app_instance_id'))
+            if (URLParams.has('puter.app_instance_id')) {
+                globalThis.sessionStorage?.setItem("puter_search_params", globalThis.sessionStorage?.getItem("puter_search_params") || globalThis.location?.search)
                 this.env = 'app';
-            else if(globalThis.puter_gui_enabled === true)
+            } else if(globalThis.puter_gui_enabled === true)
                 this.env = 'gui';
             else if (globalThis.WorkerGlobalScope) {
                 if (globalThis.ServiceWorkerGlobalScope) {