Create From Usage: Quote declaration name if it's not a valid identifier

#EA-70291 Fixed

idea/testData/quickfix/createFromUsage/createClass/callExpression/quotedName.kt

@@ -0,0 +1,4 @@
+// "Create class 'A\u00A0'" "true"
+fun test() {
+    val t = <caret>`A\u00A0`(1)
+}

idea/testData/quickfix/createFromUsage/createClass/callExpression/quotedName.kt.after

@@ -0,0 +1,8 @@
+// "Create class 'A\u00A0'" "true"
+fun test() {
+    val t = `A\u00A0`(1)
+}
+
+class `A\u00A0`(i: Int) {
+
+}