fix: don't apply again already resolved types (#1012)

jadx-core/src/main/java/jadx/core/dex/visitors/typeinference/TypeSearch.java

@@ -81,17 +81,23 @@ public class TypeSearch {
 
 	private boolean applyResolvedVars() {
 		List<TypeSearchVarInfo> resolvedVars = state.getResolvedVars();
+		List<TypeSearchVarInfo> updatedVars = new ArrayList<>();
 		for (TypeSearchVarInfo var : resolvedVars) {
 			SSAVar ssaVar = var.getVar();
 			ArgType resolvedType = var.getCurrentType();
+			if (!resolvedType.isTypeKnown()) {
+				// ignore unknown variables
+				continue;
+			}
+			if (resolvedType.equals(ssaVar.getTypeInfo().getType())) {
+				// type already set
+				continue;
+			}
 			ssaVar.setType(resolvedType);
+			updatedVars.add(var);
 		}
 		boolean applySuccess = true;
-		for (TypeSearchVarInfo var : resolvedVars) {
-			if (!var.getCurrentType().isTypeKnown()) {
-				// exclude unknown variables
-				continue;
-			}
+		for (TypeSearchVarInfo var : updatedVars) {
 			TypeUpdateResult res = typeUpdate.applyWithWiderIgnSame(mth, var.getVar(), var.getCurrentType());
 			if (res == TypeUpdateResult.REJECT) {
 				mth.addComment("JADX DEBUG: Multi-variable search result rejected for " + var);

jadx-core/src/test/java/jadx/tests/integration/types/TestPrimitiveConversion2.java

@@ -18,7 +18,6 @@ public class TestPrimitiveConversion2 extends SmaliTest {
 				.doesNotContain("z2 | 2")
 				.containsOne("(z2 ? 1 : 0) | 2")
 				.containsOne("if (z2 && formatCurrency != null) {")
-				.containsOne("i = 1;")
-				.containsOne("spannable = null;");
+				.containsOne("i = 1;");
 	}
 }