Fix remaining dropdown's

src/containers/SelectAppPlatform/SelectAppPlatform.js

@@ -48,6 +48,13 @@ class SelectAppPlatform extends IPCContainer {
     this.grabLatestRelease(Constants.LINUX_SELECTABLE_PLATFORMS[this.state.Selected])
   };
 
+  handleChanged = e => {
+    this.setState({
+      ...this.state,
+      Selected: Constants.LINUX_SELECTABLE_PLATFORMS.indexOf(e.target.value),
+    });
+  };
+
   render() {
     return (
       <Box dxDark dxStyle={{padding: 'var(--default_spacing)'}}>
@@ -56,13 +63,10 @@ class SelectAppPlatform extends IPCContainer {
           <p>Repertory was unable to detect your Linux distribution. Please select one of the following and click <b>Test</b> to continue:</p>
         </div>
         <div className={'SAPActions'}>
-          <DropDown changed={e => this.setState({
-                      ...this.state,
-                      Selected: e.target.value
-                    })}
+          <DropDown changed={this.handleChanged}
                     disabled={this.props.InstallTestActive}
                     items={Constants.LINUX_SELECTABLE_PLATFORMS}
-                    selected={this.state.Selected}/>
+                    selected={Constants.LINUX_SELECTABLE_PLATFORMS[this.state.Selected]}/>
           <Button clicked={this.handleTestClicked}
                   disabled={this.props.InstallTestActive}>Test</Button>
         </div>