[FIR] Improve diagnostic reporting & don't use error symbol for candidate if possible

Also introduce few new diagnostics:
- NONE_APPLICABLE more many inapplicable candidates
- HIDDEN for visible candidates

compiler/fir/analysis-tests/testData/resolve/problems/definitelyNotNullAndOriginalType.txt

@@ -1,4 +1,4 @@
 FILE: main.kt
     public final fun <V> R|SLRUMap<V>|.getOrPut(value: R|V|): R|kotlin/Unit| {
-        <Inapplicable(INAPPLICABLE): [/SLRUMap.takeV]>#(R|<local>/value|)
+        this@R|/getOrPut|.<Inapplicable(INAPPLICABLE): /SLRUMap.takeV>#(R|<local>/value|)
     }