TF-4136 refactor(logging): replace logError with logWarning for non-critical cases

core/lib/presentation/extensions/string_extension.dart

@@ -37,7 +37,7 @@ extension StringExtension on String {
         }
       }
     } catch (e) {
-      logError('StringExtension::firstLetterToUpperCase(): $e');
+      logWarning('StringExtension::firstLetterToUpperCase(): $e');
       return '';
     }
   }
@@ -94,7 +94,7 @@ extension StringExtension on String {
         return 0;
       }
     } catch (e) {
-      logError('StringExtension::_generateGradientColorIndex(): $e');
+      logWarning('StringExtension::_generateGradientColorIndex(): $e');
       return 0;
     }
   }

core/lib/presentation/extensions/uri_extension.dart

@@ -26,7 +26,7 @@ extension URIExtension on Uri {
     try {
       return origin.isNotEmpty;
     } catch (e) {
-      logError('URIExtension::hasOrigin:Exception = $e');
+      logWarning('URIExtension::hasOrigin:Exception = $e');
       return false;
     }
   }