Introduce "use expression body" inspection #KT-16063 Fixed

Converted from the relevant intention
Reported cases: one-liners, whens
Also, more exact caret detection in local inspection tests

idea/testData/quickfix/createFromUsage/createVariable/primaryParameter/localValNoReceiver.kt

@@ -1,5 +1,4 @@
 // "Create property 'foo' as constructor parameter" "false"
-// ACTION: Convert to expression body
 // ACTION: Create parameter 'foo'
 // ACTION: Create local variable 'foo'
 // ACTION: Rename reference

idea/testData/quickfix/createFromUsage/createVariable/primaryParameter/objectMemberValNoReceiver.kt

@@ -1,5 +1,4 @@
 // "Create property 'foo' as constructor parameter" "false"
-// ACTION: Convert to expression body
 // ACTION: Create local variable 'foo'
 // ACTION: Create parameter 'foo'
 // ACTION: Create property 'foo'

idea/testData/quickfix/createFromUsage/createVariable/primaryParameter/topLevelValNoReceiver.kt

@@ -1,6 +1,5 @@
 // "Create property 'foo' as constructor parameter" "false"
 // ACTION: Create property 'foo'
-// ACTION: Convert to expression body
 // ACTION: Create local variable 'foo'
 // ACTION: Create parameter 'foo'
 // ACTION: Rename reference

idea/testData/quickfix/createFromUsage/createVariable/primaryParameter/valOnJavaType.before.Main.kt

@@ -1,6 +1,5 @@
 // "Create property 'foo' as constructor parameter" "false"
 // ACTION: Create member property 'A.foo'
-// ACTION: Convert to expression body
 // ACTION: Create extension property 'A.foo'
 // ACTION: Rename reference
 // ERROR: Unresolved reference: foo