fix: replace getColour() with bool flag (Label has no getColour in JUCE 8)

Source/Plugin/PluginBridgeEditor.cpp

@@ -55,6 +55,7 @@ PluginBridgeEditor::PluginBridgeEditor(PluginBridgeProcessor& p)
         {
             pluginStatusLabel.setText(error, juce::dontSendNotification);
             pluginStatusLabel.setColour(juce::Label::textColourId, kRed);
+            showingError = true;
         });
     };
 
@@ -123,8 +124,9 @@ void PluginBridgeEditor::timerCallback()
         selectButton.setButtonText(processorRef.getLoadedPluginName());
         pluginStatusLabel.setText(juce::String(processorRef.getLoadedPluginParamCount()) + " params", juce::dontSendNotification);
         pluginStatusLabel.setColour(juce::Label::textColourId, kGreen);
+        showingError = false;
     }
-    else if (pluginStatusLabel.getColour(juce::Label::textColourId) != kRed)
+    else if (!showingError)
     {
         selectButton.setButtonText("Select Plugin");
         pluginStatusLabel.setText("No plugin loaded", juce::dontSendNotification);
@@ -146,6 +148,8 @@ void PluginBridgeEditor::embedPluginEditor()
     auto editorWidth = std::max(hostedEditor->getWidth(), kDefaultWidth);
     auto editorHeight = hostedEditor->getHeight() + kTopBarHeight;
     setSize(editorWidth, editorHeight);
+
+    showingError = false;
 }
 
 void PluginBridgeEditor::removePluginEditor()
@@ -211,6 +215,7 @@ void PluginBridgeEditor::showPluginMenu()
             {
                 pluginStatusLabel.setText("Loading...", juce::dontSendNotification);
                 pluginStatusLabel.setColour(juce::Label::textColourId, kTextSecondary);
+                showingError = false;
                 processorRef.loadPlugin(files[result - 1].getFullPathName());
             }
         });