Fixed regression with #2049 (maven CI-friendly versions) (#2159)

Author: nmck257

rewrite-maven/src/main/java/org/openrewrite/maven/internal/MavenPomDownloader.java

@@ -202,7 +202,7 @@ public Pom download(GroupArtifactVersion gav,
         for (Pom projectPom : projectPoms.values()) {
             if (gav.getGroupId().equals(projectPom.getGroupId()) &&
                     gav.getArtifactId().equals(projectPom.getArtifactId()) &&
-                    gav.getVersion().equals(projectPom.getVersion())) {
+                    Objects.equals(projectPom.getValue(projectPom.getVersion()), projectPom.getValue(gav.getVersion()))) {
                 return projectPom;
             }
         }

rewrite-maven/src/main/java/org/openrewrite/maven/tree/Pom.java

@@ -96,4 +96,12 @@ public ResolvedPom resolve(Iterable<String> activeProfiles, MavenPomDownloader d
         return new ResolvedPom(this, activeProfiles, emptyMap(), emptyList(), initialRepositories, emptyList(), emptyList()).resolve(ctx, downloader);
     }
 
+    @Nullable
+    public String getValue(@Nullable String value) {
+        if (value == null) {
+            return null;
+        }
+        return ResolvedPom.placeholderHelper.replacePlaceholders(value, this.properties::get);
+    }
+
 }

rewrite-maven/src/main/java/org/openrewrite/maven/tree/ResolvedPom.java

@@ -45,7 +45,7 @@
 @Getter
 public class ResolvedPom {
 
-    private static final PropertyPlaceholderHelper placeholderHelper = new PropertyPlaceholderHelper("${", "}", null);
+    public static final PropertyPlaceholderHelper placeholderHelper = new PropertyPlaceholderHelper("${", "}", null);
 
     // https://maven.apache.org/ref/3.6.3/maven-model-builder/super-pom.html
     private static final ResolvedPom SUPER_POM = new ResolvedPom(