Update plugin version to 3.2.8 and enhance DynForm references

- Add cross-file Dataset and Field resolution for included .frml files
- Prioritize opened files in editor for reference navigation
- Restrict AJAX-OPTION DATASET auto-completion to suggest from ajax.xml
- Update change notes for 3.2.8 release

build.gradle.kts

@@ -4,7 +4,7 @@ plugins {
   id("org.jetbrains.intellij.platform") version "2.7.0"
 }
 group = "com.sdk.dynform.tools"
-version = "3.2.7"
+version = "3.2.8"
 
 repositories {
   mavenCentral()