Remove the SwitchBlockHighlightingModel#checkFallthroughReferences because it might produce too much noise for and bring no value.
GitOrigin-RevId: 10d848aaa38ad5a4c15f77726ac835ab517068d5
Resolve as many references as possible in order to keep the GoToSymbol action available but move invalid references in pattern matching for switch to the highlighter pass as the code review suggests
GitOrigin-RevId: 2339b7c9cd02b0d1e3c793c30a8a3338c28c9b73
When resolving PsiSwitchLabelStatement check if it participates in the fall-through semantics and if so, stop resolving unless the previous PsiSwitchLabelStatement is of the "case null" form.
GitOrigin-RevId: 74af92cde51a8d8ec3bae1c2cd3819a09a44cdf9