use "destructuring declarations" term instead of "multi-declarations"

idea/testData/quickfix/autoImports/multiDeclarationExtensionAllComponents.test

@@ -1,7 +1,7 @@
 // FILE: first.before.kt
 // "Import" "true"
-// ERROR: Multi-declaration initializer of type some.Some must have a 'component1()' function
-// ERROR: Multi-declaration initializer of type some.Some must have a 'component2()' function
+// ERROR: Destructuring declaration initializer of type some.Some must have a 'component1()' function
+// ERROR: Destructuring declaration initializer of type some.Some must have a 'component2()' function
 
 package testing
 
@@ -27,8 +27,8 @@ operator fun Some.component2() = 3
 
 // FILE: first.after.kt
 // "Import" "true"
-// ERROR: Multi-declaration initializer of type some.Some must have a 'component1()' function
-// ERROR: Multi-declaration initializer of type some.Some must have a 'component2()' function
+// ERROR: Destructuring declaration initializer of type some.Some must have a 'component1()' function
+// ERROR: Destructuring declaration initializer of type some.Some must have a 'component2()' function
 
 package testing
 

idea/testData/quickfix/autoImports/multiDeclarationExtensionAllComponentsMany.test

@@ -1,7 +1,7 @@
 // FILE: first.before.kt
 // "Import" "true"
-// ERROR: Multi-declaration initializer of type some.Some must have a 'component1()' function
-// ERROR: Multi-declaration initializer of type some.Some must have a 'component2()' function
+// ERROR: Destructuring declaration initializer of type some.Some must have a 'component1()' function
+// ERROR: Destructuring declaration initializer of type some.Some must have a 'component2()' function
 
 package testing
 
@@ -36,8 +36,8 @@ operator fun Some.component2() = 3
 
 // FILE: first.after.kt
 // "Import" "true"
-// ERROR: Multi-declaration initializer of type some.Some must have a 'component1()' function
-// ERROR: Multi-declaration initializer of type some.Some must have a 'component2()' function
+// ERROR: Destructuring declaration initializer of type some.Some must have a 'component1()' function
+// ERROR: Destructuring declaration initializer of type some.Some must have a 'component2()' function
 
 package testing
 

idea/testData/quickfix/autoImports/multiDeclarationExtensionAllComponentsPrefereFull.test

@@ -1,7 +1,7 @@
 // FILE: first.before.kt
 // "Import" "true"
-// ERROR: Multi-declaration initializer of type some.Some must have a 'component1()' function
-// ERROR: Multi-declaration initializer of type some.Some must have a 'component2()' function
+// ERROR: Destructuring declaration initializer of type some.Some must have a 'component1()' function
+// ERROR: Destructuring declaration initializer of type some.Some must have a 'component2()' function
 
 package testing
 
@@ -35,8 +35,8 @@ operator fun Some.component1() = 1
 
 // FILE: first.after.kt
 // "Import" "true"
-// ERROR: Multi-declaration initializer of type some.Some must have a 'component1()' function
-// ERROR: Multi-declaration initializer of type some.Some must have a 'component2()' function
+// ERROR: Destructuring declaration initializer of type some.Some must have a 'component1()' function
+// ERROR: Destructuring declaration initializer of type some.Some must have a 'component2()' function
 
 package testing
 

idea/testData/quickfix/autoImports/multiDeclarationExtensionAllComponentsPrefereNotDeprecated.test

@@ -1,7 +1,7 @@
 // FILE: first.before.kt
 // "Import" "true"
-// ERROR: Multi-declaration initializer of type aaa.Some must have a 'component1()' function
-// ERROR: Multi-declaration initializer of type aaa.Some must have a 'component2()' function
+// ERROR: Destructuring declaration initializer of type aaa.Some must have a 'component1()' function
+// ERROR: Destructuring declaration initializer of type aaa.Some must have a 'component2()' function
 
 package testing
 
@@ -37,8 +37,8 @@ operator fun Some.component2() = 3
 
 // FILE: first.after.kt
 // "Import" "true"
-// ERROR: Multi-declaration initializer of type aaa.Some must have a 'component1()' function
-// ERROR: Multi-declaration initializer of type aaa.Some must have a 'component2()' function
+// ERROR: Destructuring declaration initializer of type aaa.Some must have a 'component1()' function
+// ERROR: Destructuring declaration initializer of type aaa.Some must have a 'component2()' function
 
 package testing
 

idea/testData/quickfix/autoImports/multiDeclarationExtensionComponent1.test

@@ -1,6 +1,6 @@
 // FILE: first.before.kt
 // "Import" "true"
-// ERROR: Multi-declaration initializer of type some.Some must have a 'component1()' function
+// ERROR: Destructuring declaration initializer of type some.Some must have a 'component1()' function
 
 package testing
 
@@ -26,7 +26,7 @@ operator fun Some.component2() = 3
 
 // FILE: first.after.kt
 // "Import" "true"
-// ERROR: Multi-declaration initializer of type some.Some must have a 'component1()' function
+// ERROR: Destructuring declaration initializer of type some.Some must have a 'component1()' function
 
 package testing
 

idea/testData/quickfix/autoImports/multiDeclarationExtensionComponent2.test

@@ -1,6 +1,6 @@
 // FILE: first.before.kt
 // "Import" "true"
-// ERROR: Multi-declaration initializer of type some.Some must have a 'component2()' function
+// ERROR: Destructuring declaration initializer of type some.Some must have a 'component2()' function
 
 package testing
 
@@ -26,7 +26,7 @@ operator fun Some.component2() = 3
 
 // FILE: first.after.kt
 // "Import" "true"
-// ERROR: Multi-declaration initializer of type some.Some must have a 'component2()' function
+// ERROR: Destructuring declaration initializer of type some.Some must have a 'component2()' function
 
 package testing
 

idea/testData/quickfix/autoImports/multiDeclarationExtensionComponentNoOperator.test

@@ -1,6 +1,6 @@
 // FILE: first.before.kt
 // "Import" "false"
-// ERROR: Multi-declaration initializer of type some.Some must have a 'component1()' function
+// ERROR: Destructuring declaration initializer of type some.Some must have a 'component1()' function
 // ACTION: Create extension function 'component1'
 // ACTION: Create member function 'component1'