Enhancement on Scenario Name.

[jacob-hanbeen-kim]

Current agent-js-cucumber only checks previous scenario name to create a unique name for the scenario (appending "[number]" after the scenario name) - guessing this was to account for scenarios with examples.

However, this will make some scenarios have same name if there are few other scenarios that have same name but not placed right after/before.

Example:

Scenario: Test
   Given this test has name Test

Scenario: Test2
   Given this test has name Test 2

Scenario: Test
   Given this test has name Test also

This will report to the reportportal as
Scenario: Test
Scenario: Test2
Scenario: Test

Possible/Proposed Fix:
Have a scenario name object that keeps track of what index to append to the end of the scenario name.

onTestCaseStarted(event) {
      context.scenario = findScenario(event.sourceLocation);
      const featureTags = findFeature(event.sourceLocation).tags;
      const pickle = pickleDocuments[getUri(event.sourceLocation.uri)];
      const keyword = context.scenario.keyword ? context.scenario.keyword : context.scenario.type;
      let name = [keyword, context.scenario.name].join(': ');
      const eventAttributes = pickle.tags
        ? pickle.tags
            .filter((tag) => !featureTags.find(createTagComparator(tag)))
            .map((tag) => createAttribute(tag.name))
        : [];
      const description =
        context.scenario.description ||
        [getUri(event.sourceLocation.uri), event.sourceLocation.line].join(':'); // TODO codeRef
      const { featureId } = pickleDocuments[event.sourceLocation.uri];

      if (!(name in context.scenariosName)) {
        context.scenariosName[name] = 1;
      // } else if (event.attemptNumber < 2) {
      } else {
        context.scenariosName[name] += 1;
        name += ` [${context.scenariosName[name]}]`;
      }

      // BeforeScenario
      // if (isScenarioBasedStatistics() || event.attemptNumber < 2) {
      context.scenarioId = reportportal.startTestItem(
        {
          name,
          startTime: reportportal.helpers.now(),
          type: isScenarioBasedStatistics() ? 'STEP' : 'TEST',
          description,
          attributes: eventAttributes,
          // retry: isScenarioBasedStatistics() && event.attemptNumber > 1,
        },
        context.launchId,
        featureId,
      ).tempId;
      // }
    }

**Note: that I commented out few codes that was causing me the bug I mentioned in #37

Above change will result in following report to the reportportal
Scenario: Test
Scenario: Test2
Scenario: Test [2]

[DzmitryHumianiuk]

@AmsterGet what do you think?