Improve launch wizard display, don't close hexview.

Closes #266
Closes #267
diff --git a/src/hexView.ts b/src/hexView.ts
index 39eac05..ddc77dc 100644
--- a/src/hexView.ts
+++ b/src/hexView.ts
@@ -101,11 +101,7 @@
   // Overriden onTerminatedDebugSession method
   onTerminatedDebugSession(session: vscode.DebugSession) {
     if (session.type === 'dfdl') {
-      vscode.window.visibleTextEditors.forEach((editior) => {
-        if (editior.document.fileName === this.hexFile) {
-          editior.hide() // method is deprecated but is only way to close specific editor not just the active one
-        }
-      })
+      this.decorator.dispose()
       this.dataFile = ''
       this.bytePos1b = -1
     }
diff --git a/src/launchWizard/launchWizard.ts b/src/launchWizard/launchWizard.ts
index f49eb5c..697295c 100644
--- a/src/launchWizard/launchWizard.ts
+++ b/src/launchWizard/launchWizard.ts
@@ -385,7 +385,7 @@
       <script nonce="${nonce}">
         ${scriptData}
       </script>
-      <h2 style="color: white;">Daffodil Debugger Config Settings</h2>
+      <h2 style="color: inherit;">Daffodil Debugger Config Settings</h2>
 
       <div id="configSelectionDropDown" class="setting-div">
         <p>Launch Config:</p>
diff --git a/src/styles/styles.css b/src/styles/styles.css
index 8714146..ae33cdf 100644
--- a/src/styles/styles.css
+++ b/src/styles/styles.css
@@ -86,7 +86,6 @@
 }
 
 .setting-div {
-  color: white;
   font-size: 16px;
   cursor: pointer;
 }