Fix unused var and pseudorandom warnings

src/components/cardbuilder/cardBuilder.js

@@ -484,7 +484,7 @@ function getAirTimeText(item, showAirDateTime, showAirEndTime) {
                 airTimeText += ' - ' + datetime.getDisplayTime(date);
             }
         } catch (e) {
-            console.error('error parsing date: ' + item.StartDate);
+            console.error('error parsing date: ' + item.StartDate, e);
         }
     }
 
@@ -617,7 +617,7 @@ function getCardFooterText(item, apiClient, options, footerClass, progressHtml,
                         datetime.parseISO8601Date(item.PremiereDate),
                         { weekday: 'long', month: 'long', day: 'numeric' }
                     ));
-                } catch (err) {
+                } catch {
                     lines.push('');
                 }
             } else {

src/components/cardbuilder/cardBuilderUtils.test.ts

@@ -678,6 +678,7 @@ describe('getDefaultBackgroundClass', () => {
     });
 
     test('randomization string provided', () => {
+        // eslint-disable-next-line sonarjs/pseudo-random
         const generateRandomString = (stringLength: number): string => (Math.random() + 1).toString(36).substring(stringLength);
 
         for (let i = 0; i < 100; i++) {