[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/fir/analysis-tests/testData/resolveWithStdlib/problems/weakHashMap.fir.txt

@@ -0,0 +1,6 @@
+FILE: weakHashMap.kt
+    public final val someMap: R|java/util/WeakHashMap<ft<kotlin/Any, kotlin/Any?>!, ft<kotlin/Any, kotlin/Any?>!>| = R|java/util/WeakHashMap.WeakHashMap|<R|ft<kotlin/Any, kotlin/Any?>!|, R|ft<kotlin/Any, kotlin/Any?>!|>()
+        public get(): R|java/util/WeakHashMap<ft<kotlin/Any, kotlin/Any?>!, ft<kotlin/Any, kotlin/Any?>!>|
+    public final fun foo(): R|kotlin/Unit| {
+        R|/someMap|.R|SubstitutionOverride<java/util/WeakHashMap.get: R|kotlin/Any?|>|(String())
+    }