Fix bug in removeOverLappingMatches

lib/src/license_detection/license_detector.dart

@@ -216,7 +216,7 @@ List<LicenseMatch> removeOverLappingMatches(List<LicenseMatch> matches) {
         // Retain both the licenses in case of an exact match,
         // so that it can be resolved by the user.
         if (aConf > bConf) {
-          proposals[j] = true;
+          proposals[j] = false;
         } else if (bConf > aConf) {
           keep = false;
         }

test/license_detector_test.dart

@@ -127,7 +127,7 @@ void main() {
     );
 
     _testOverLappingMatches(
-      name: 'Does not discard match contained in other with less token density',
+      name: 'discard a match contained in other with less token density',
       input: [
         _dummyLicenseMatchInstance(
           1,
@@ -146,13 +146,6 @@ void main() {
         _dummyLicenseMatchInstance(0.65, 'matchC', start: 140, end: 200),
       ],
       expected: [
-        _dummyLicenseMatchInstance(
-          1,
-          'matchB',
-          start: 5,
-          end: 95,
-          tokensClaimed: 75,
-        ),
         _dummyLicenseMatchInstance(
           0.9,
           'matchA',

test/licenses/license_coverage_test.dart

@@ -16,10 +16,10 @@ void main() {
           license.content,
           relativePath: 'LICENSE',
         );
-        final match = detected
-            .where((l) => l.spdxIdentifier == license.identifier)
-            .single;
-
+        // should only match the same license
+        expect(detected, hasLength(1));
+        final match = detected.single;
+        expect(match.spdxIdentifier, license.identifier);
         expect(match.range!.coverages, hasLength(2));
       }
     });