2 Intentions for string templates:

the first removes curly braces from a simple name variable, ${x} -> $x
and the second does the opposite $x -> ${x}

idea/testData/intentions/insertCurlyBracesToTemplate/insertBrackets2.kt

@@ -0,0 +1,5 @@
+// IS_APPLICABLE: true
+fun foo() {
+    val x = 4
+    val y = "something$<caret>x.somethingelse"
+}