Forcefully clear unprocessed-request status after a minute

Related feedback:
- https://github.com/uBlockOrigin/uBlock-issues/issues/2589#issuecomment-1507084473

platform/common/vapi-background.js

@@ -890,7 +890,7 @@ if ( webext.browserAction instanceof Object ) {
         });
         browserAction.setBadgeText({ text });
         browserAction.setBadgeBackgroundColor({
-            color: text === '!' ? '#FFCC00' : '#666'
+            color: text === '!' ? '#FC0' : '#666'
         });
     };
 }
@@ -1252,7 +1252,6 @@ vAPI.Net = class {
         this.listenerMap = new WeakMap();
         this.suspendDepth = 0;
         this.unprocessedTabs = new Map();
-        this.processRequestStartTime = Number.MAX_SAFE_INTEGER;
 
         browser.webRequest.onBeforeRequest.addListener(
             details => {
@@ -1335,7 +1334,6 @@ vAPI.Net = class {
                 }
                 return this.deferredSuspendableListener(details);
             };
-            this.processRequestStartTime = Date.now();
         }
         this.suspendableListener = listener;
         vAPI.setDefaultIcon('', '');
@@ -1371,9 +1369,7 @@ vAPI.Net = class {
     }
     hasUnprocessedRequest(tabId) {
         if ( this.unprocessedTabs.size === 0 ) { return false; }
-        if ( (Date.now() - this.processRequestStartTime) > 60000 ) {
-            this.removeUnprocessedRequest();
-        }
+        if ( tabId === undefined ) { return true; }
         return this.unprocessedTabs.has(tabId);
     }
     removeUnprocessedRequest(tabId) {

src/js/traffic.js

@@ -982,7 +982,7 @@ const injectCSP = function(fctxt, pageStore, responseHeaders) {
 
     if ( cspSubsets.length === 0 ) { return; }
 
-    µb.updateToolbarIcon(fctxt.tabId, 0x02);
+    µb.updateToolbarIcon(fctxt.tabId, 0b0010);
 
     // Use comma to merge CSP directives.
     // Ref.: https://www.w3.org/TR/CSP2/#implementation-considerations
@@ -1133,6 +1133,14 @@ const webRequest = {
                     urls: [ 'http://*/*', 'https://*/*' ]
                 }
             );
+            vAPI.defer.once({ min: 1 }).then(( ) => {
+                if ( vAPI.net.hasUnprocessedRequest() === false ) { return; }
+                vAPI.net.removeUnprocessedRequest();
+                vAPI.tabs.getCurrent().then(tab => {
+                    if ( tab === null ) { return; }
+                    µb.updateToolbarIcon(tab.id, 0b0110);
+                });
+            });
             vAPI.net.unsuspend({ all: true });
         };
     })(),