Fix bug related to Tcf V1

Author: CTMBNara

src/main/java/org/prebid/server/privacy/gdpr/DisclosedVendorsStrictness.java

@@ -24,6 +24,7 @@ public DisclosedVendorsStrictness(GdprConfig gdprConfig) {
 
     public boolean isValid(TCString consent) {
         return !strictnessEnabled
+                || consent.getVersion() == 1
                 || isCreatedBeforeTcfV2M3EnforcementCutoff(consent)
                 || !consent.getDisclosedVendors().isEmpty();
     }
@@ -38,6 +39,7 @@ private boolean isCreatedBeforeTcfV2M3EnforcementCutoff(TCString consent) {
 
     public boolean isVendorDisclosed(TCString consent, Integer vendorId) {
         return !strictnessEnabled
+                || consent.getVersion() == 1
                 || (vendorId != null
                 && (isCreatedBeforeTcfV2M3EnforcementCutoff(consent)
                 || consent.getDisclosedVendors().contains(vendorId)));

src/test/java/org/prebid/server/privacy/gdpr/DisclosedVendorsStrictnessTest.java

@@ -52,6 +52,17 @@ public void isValidShouldReturnFalseIfStrictnessEnabledByDefault() {
         assertThat(target.isValid(tcString)).isFalse();
     }
 
+    @Test
+    public void isValidShouldReturnTrueIfTCStringVersionEquals1() {
+        // given
+        final TCString tcString = TCStringEncoder.newBuilder()
+                .version(1)
+                .toTCString();
+
+        // when and then
+        assertThat(target.isValid(tcString)).isTrue();
+    }
+
     @Test
     public void isValidShouldReturnTrueOnInvalidIfLatestUpdateBeforeCutoffDate() {
         // given
@@ -125,6 +136,17 @@ public void isVendorDisclosedShouldReturnFalseOnNull() {
         assertThat(target.isVendorDisclosed(tcString, null)).isFalse();
     }
 
+    @Test
+    public void isVendorDisclosedShouldReturnTrueIfTCStringVersionEquals1() {
+        // given
+        final TCString tcString = TCStringEncoder.newBuilder()
+                .version(1)
+                .toTCString();
+
+        // when and then
+        assertThat(target.isVendorDisclosed(tcString, 1)).isTrue();
+    }
+
     @Test
     public void isVendorDisclosedShouldReturnTrueOnNotDisclosedIfLatestUpdateBeforeCutoffDate() {
         // given