fix: sonarcloud code smells (#2623)

* fix: make variable a pointer-to-const

* fix: use init-statement to reduce variable scope

* fix: implicit conversion from long to int

* fix: refactor to not nest more than 3 if|for|do|while|switch statements

* fix: make tr_session::setSocketTos() const

* fix: use array.prototype.some instead of a for loop

* refactor: use nullptr instead of NULL

* fix: oops

web/src/torrent.js

@@ -393,17 +393,9 @@ export class Torrent extends EventTarget {
 
     // maybe filter by labels...
     if (pass) {
-      for (const l of labels) {
-        let m = false;
-        for (let j = 0; j < this.getLabels().length; j++) {
-          if (l === this.getLabels()[j]) {
-            m = true;
-            break;
-          }
-        }
-
-        pass = pass && m;
-      }
+      // pass if this torrent has any of these labels
+      const torrent_labels = this.getLabels();
+      pass = labels.some((label) => torrent_labels.includes(label));
     }
 
     // maybe filter by tracker...