[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/getOrBuildFir/inImport/firstImportNamePartScript.txt

@@ -8,5 +8,5 @@ import a.b.c
 FIR FILE:
 FILE: [ResolvedTo(IMPORTS)] firstImportNamePartScript.kts
     context(<script>@kotlin.script.templates.standard.ScriptTemplateWithArgs)
-    SCRIPT: [ResolvedTo(RAW_FIR)] 
-        [ResolvedTo(RAW_FIR)] lval args: R|kotlin/Array<kotlin/String>|
+    SCRIPT: [ResolvedTo(RAW_FIR)] <script-firstImportNamePartScript.kts>
+        [ResolvedTo(RAW_FIR)] lval args: R|kotlin/Array<kotlin/String>|