Add support to compare variable with clipboard text (#780)

This commit provides support to compare a variable's value (toString())
with the contents of clipboard text by leveraging eclipse diff viewer.

Author: SougandhS

org.eclipse.jdt.debug.ui/META-INF/MANIFEST.MF

@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.jdt.debug.ui; singleton:=true
-Bundle-Version: 3.15.100.qualifier
+Bundle-Version: 3.15.200.qualifier
 Bundle-Activator: org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
@@ -50,7 +50,8 @@ Require-Bundle: org.eclipse.ui.ide;bundle-version="[3.5.0,4.0.0)",
  org.eclipse.search;bundle-version="[3.5.0,4.0.0)",
  org.eclipse.ui.forms;bundle-version="[3.4.0,4.0.0)",
  org.eclipse.core.resources,
- org.eclipse.debug.core;bundle-version="[3.22.0,4.0.0)"
+ org.eclipse.debug.core;bundle-version="[3.22.0,4.0.0)",
+ org.eclipse.compare
 Bundle-ActivationPolicy: lazy
 Bundle-RequiredExecutionEnvironment: JavaSE-21
 Automatic-Module-Name: org.eclipse.jdt.debug.ui