Move ktlint version check closer to actual version use

Author: magneticflux-

lib/src/ktlint/java/com/diffplug/spotless/glue/ktlint/KtlintFormatterFunc.java

@@ -44,9 +44,11 @@ public KtlintFormatterFunc(String version, boolean isScript, FileSignature edito
 			// Experimental ruleset was replaced by implementing `Rule.Experimental` and checking the `ktlint_experimental` `.editorconfig` property
 			// `RuleId` and `RuleSetId` became inline classes (mangled to be unrepresentable in Java source code, so reflection is needed), tracked here: https://github.com/pinterest/ktlint/issues/2041
 			this.adapter = new KtLintCompat0Dot49Dot0Adapter();
-		} else {
+		} else if (minorVersion == 48) {
 			// ExperimentalParams lost two constructor arguments, EditorConfigProperty moved to its own class
 			this.adapter = new KtLintCompat0Dot48Dot0Adapter();
+		} else {
+			throw new IllegalStateException("Ktlint versions < 0.48.0 not supported!");
 		}
 		this.editorConfigPath = editorConfigPath;
 		this.editorConfigOverrideMap = editorConfigOverrideMap;

lib/src/main/java/com/diffplug/spotless/kotlin/KtLintStep.java

@@ -107,9 +107,6 @@ static final class State implements Serializable {
 				@Nullable FileSignature editorConfigPath,
 				Map<String, String> userData,
 				Map<String, Object> editorConfigOverride) throws IOException {
-			if (BadSemver.version(version) < BadSemver.version(0, 46, 0)) {
-				throw new IllegalStateException("KtLint versions < 0.46.0 not supported!");
-			}
 			this.version = version;
 			this.userData = new TreeMap<>(userData);
 			this.editorConfigOverride = new TreeMap<>(editorConfigOverride);