[FIR] FirRenderer: render name for scripts

A script name is important information, so it is better to render it.
This also will fix the inconsistency with redundant space after 'SCRIPT:'.

analysis/low-level-api-fir/testData/fileStructure/topLevelUnitFunScript.lazy.resolve.txt

@@ -1,6 +1,6 @@
 FILE: [ResolvedTo(BODY_RESOLVE)] topLevelUnitFunScript.kts
     context(<script>@R|kotlin/script/templates/standard/ScriptTemplateWithArgs|)
-    SCRIPT: [ResolvedTo(BODY_RESOLVE)]
+    SCRIPT: [ResolvedTo(BODY_RESOLVE)] <script-topLevelUnitFunScript.kts>
         [ResolvedTo(BODY_RESOLVE)] lval args: R|kotlin/Array<kotlin/String>|
 
         public final [ResolvedTo(BODY_RESOLVE)] fun foo(): R|kotlin/Unit| {