[JS IR BE] Support coroutines

* Move FinallyBlockLowering to common part
* Fix catching of dynamic exception
* Fix bridges for suspend functions
* Disable explicit cast to Unit
* Run lowering per module
* Update some test data

compiler/testData/codegen/box/when/stringOptimization/duplicatingItems.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // WITH_RUNTIME
 // CHECK_CASES_COUNT: function=foo count=3
 // CHECK_IF_COUNT: function=foo count=0

compiler/testData/codegen/box/when/stringOptimization/expression.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // WITH_RUNTIME
 // CHECK_CASES_COUNT: function=foo count=4
 // CHECK_IF_COUNT: function=foo count=0

compiler/testData/codegen/box/when/stringOptimization/nullability.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // WITH_RUNTIME
 // CHECK_CASES_COUNT: function=foo1 count=2
 // CHECK_IF_COUNT: function=foo1 count=1

compiler/testData/codegen/box/when/stringOptimization/statement.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // WITH_RUNTIME
 // CHECK_CASES_COUNT: function=foo1 count=4
 // CHECK_IF_COUNT: function=foo1 count=0