Fixed IndexNotReadyException

(cherry picked from commit 853d217)

Author: dkvashninbay

src/com/magento/idea/magento2plugin/php/inspections/MagentoApiInspection.java

@@ -2,6 +2,7 @@
 
 import com.intellij.codeInspection.ProblemHighlightType;
 import com.intellij.codeInspection.ProblemsHolder;
+import com.intellij.openapi.project.DumbService;
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.PsiElementVisitor;
 import com.jetbrains.php.lang.documentation.phpdoc.psi.PhpDocComment;
@@ -42,6 +43,7 @@ public void visitPhpMethodReference(MethodReference reference) {
             if (!Settings.isEnabled(reference.getProject())) {
                 return;
             }
+
             PsiElement referencedElement = reference.resolve();
 
             if(referencedElement instanceof Method) {

src/com/magento/idea/magento2plugin/php/module/MagentoComponentManager.java

@@ -2,6 +2,7 @@
 
 import com.intellij.json.psi.JsonFile;
 import com.intellij.json.psi.JsonObject;
+import com.intellij.openapi.project.DumbService;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.psi.PsiDirectory;
@@ -57,6 +58,10 @@ public <T extends MagentoComponent> Collection<T> getAllComponentsOfType(@NotNul
     }
 
     synchronized private Map<String, MagentoComponent> getComponents() {
+        if (DumbService.getInstance(project).isDumb()) {
+            return new HashMap<>();
+        }
+
         if (cacheStartTime + CACHE_LIFE_TIME < System.currentTimeMillis()) {
             flushModules();
             loadModules();