Refactor isSaveSpace method for improved readability and conciseness

Author: xterao

src/main/kotlin/org/domaframework/doma/intellij/formatter/block/group/keyword/option/SqlInGroupBlock.kt

@@ -68,11 +68,8 @@ class SqlInGroupBlock(
 
     override fun isSaveSpace(lastGroup: SqlBlock?): Boolean {
         if (lastGroup is SqlElConditionLoopCommentBlock) {
-            return if (lastGroup.conditionType.isElse()) {
-                false
-            } else {
-                !lastGroup.isBeforeParentBlock()
-            }
+            if (lastGroup.conditionType.isElse()) return false
+            return !lastGroup.isBeforeParentBlock()
         }
         return false
     }