KT-6044 J2K: Convert numeric float literals to 0.2f instead of 0.2.toFloat() + more fixes related to literals and type transformations

#KT-6044 Fixed

j2k/testData/fileOrElement/arrayInitializerExpression/doubleArrayWithVariables.kt

@@ -1,4 +1,4 @@
-val a = 0
-val b = 0
-val c = 0
-val ds = doubleArray(a.toDouble(), b.toDouble(), c.toDouble())
+val a = 0.0
+val b = 0.0
+val c = 0.0
+val ds = doubleArray(a, b, c)