[TD] Update diagnostics test data due to new test runners

Update includes:
- Changing syntax of `OI/`NI` tags from `<!NI;TAG!>` to `<!TAG{NI}!>`
- Fix some incorrect directives
- Change order of diagnostics in some places
- Remove ignored diagnostics from FIR test data (previously `DIAGNOSTICS` didn't work)
- Update FIR dumps in some places and add `FIR_IDENTICAL` if needed
- Replace all JAVAC_SKIP with SKIP_JAVAC directive

compiler/testData/diagnostics/tests/imports/ImportResolutionOrder.kt

@@ -1,5 +1,5 @@
 // FIR_IDENTICAL
-// FILE: b.kt
+// FILE: a.kt
 // KT-355 Resolve imports after all symbols are built
 
 package a
@@ -12,12 +12,12 @@ package b
 
   }
 
-// FILE: b.kt
+// FILE: c.kt
 package c
   import d.X
   val x : X = X()
 
-// FILE: b.kt
+// FILE: d.kt
 package d
   class X() {