[yaml] refactoring: move sources of intellij.yaml.backend to backend subdirectory (IJPL-176102)

This is needed for consistency after the 'intellij.yaml' module was renamed to 'intellij.yaml.backend'.

GitOrigin-RevId: 142b9e9c0b37971fcb806b6b3d4d42e522031457

.idea/modules.xml

@@ -1092,7 +1092,7 @@
       <module fileurl="file://$PROJECT_DIR$/plugins/xslt-debugger/engine/impl/intellij.xslt.debugger.impl.rt.iml" filepath="$PROJECT_DIR$/plugins/xslt-debugger/engine/impl/intellij.xslt.debugger.impl.rt.iml" />
       <module fileurl="file://$PROJECT_DIR$/plugins/xslt-debugger/engine/intellij.xslt.debugger.rt.iml" filepath="$PROJECT_DIR$/plugins/xslt-debugger/engine/intellij.xslt.debugger.rt.iml" />
       <module fileurl="file://$PROJECT_DIR$/plugins/yaml/editing/intellij.yaml.iml" filepath="$PROJECT_DIR$/plugins/yaml/editing/intellij.yaml.iml" />
-      <module fileurl="file://$PROJECT_DIR$/plugins/yaml/intellij.yaml.backend.iml" filepath="$PROJECT_DIR$/plugins/yaml/intellij.yaml.backend.iml" />
+      <module fileurl="file://$PROJECT_DIR$/plugins/yaml/backend/intellij.yaml.backend.iml" filepath="$PROJECT_DIR$/plugins/yaml/backend/intellij.yaml.backend.iml" />
       <module fileurl="file://$PROJECT_DIR$/plugins/kotlin/all-tests/kotlin.all-tests.iml" filepath="$PROJECT_DIR$/plugins/kotlin/all-tests/kotlin.all-tests.iml" />
       <module fileurl="file://$PROJECT_DIR$/plugins/kotlin/base/analysis/kotlin.base.analysis.iml" filepath="$PROJECT_DIR$/plugins/kotlin/base/analysis/kotlin.base.analysis.iml" />
       <module fileurl="file://$PROJECT_DIR$/plugins/kotlin/base/analysis-api-platform/kotlin.base.analysis-api-platform.iml" filepath="$PROJECT_DIR$/plugins/kotlin/base/analysis-api-platform/kotlin.base.analysis-api-platform.iml" />

json/tests/test/com/jetbrains/jsonSchema/impl/JsonBySchemaHeavyNestedCompletionTest.kt

@@ -358,7 +358,7 @@ class JsonBySchemaHeavyNestedCompletionTest : JsonBySchemaHeavyCompletionTestBas
     }
   }
 
-  override fun getTestDataPath(): String = PathManagerEx.getCommunityHomePath() + "/plugins/yaml/testData/org/jetbrains/yaml/schema/data/completion/temp"
+  override fun getTestDataPath(): String = PathManagerEx.getCommunityHomePath() + "/plugins/yaml/backend/testData/org/jetbrains/yaml/schema/data/completion/temp"
   override fun getBasePath(): String = throw IllegalStateException("Use getTestDataPath instead")
 
   private val workingFolder get() = File(testDataPath)

plugins/yaml/backend/intellij.yaml.backend.iml

@@ -4,9 +4,9 @@
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/resources" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/testSrc" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" packagePrefix="org.jetbrains.yaml" />
       <sourceFolder url="file://$MODULE_DIR$/testResources" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/testSrc" isTestSource="true" packagePrefix="org.jetbrains.yaml" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />