Fix unwanted insertion of leading space

Sources/FormattingHelpers.swift

@@ -156,12 +156,13 @@ extension Formatter {
                 }
                 index = commaIndex
             }
+
             // Insert linebreak and indent after opening paren
             if let nextIndex = self.index(of: .nonSpaceOrComment, after: i) {
                 if !tokens[nextIndex].isLinebreak {
                     insertLinebreak(at: nextIndex)
                 }
-                if nextIndex + 1 < endOfScope {
+                if nextIndex + 1 < endOfScope, next(.nonSpace, after: nextIndex)?.isLinebreak == false {
                     var indent = indent
                     if (self.index(of: .nonSpace, after: nextIndex) ?? 0) < endOfScope {
                         indent += options.indent

Sources/Rules.swift

@@ -781,6 +781,7 @@ public struct _FormatRules {
     /// meaning and leads to noise in commits.
     public let trailingSpace = FormatRule(
         help: "Remove trailing space at end of a line.",
+        orderAfter: ["wrap", "wrapArguments"],
         options: ["trimwhitespace"]
     ) { formatter in
         formatter.forEach(.space) { i, _ in

Tests/RulesTests+Wrapping.swift

@@ -1381,6 +1381,19 @@ extension RulesTests {
                        exclude: ["wrap"])
     }
 
+    func testWrapArgumentsNoIndentBlankLines() {
+        let input = """
+        let foo = [
+
+            bar,
+
+        ]
+        """
+        let options = FormatOptions(wrapCollections: .beforeFirst)
+        testFormatting(for: input, rule: FormatRules.wrapArguments, options: options,
+                       exclude: ["wrap", "blankLinesAtStartOfScope", "blankLinesAtEndOfScope"])
+    }
+
     // MARK: closingParenOnSameLine = true
 
     func testParenOnSameLineWhenWrapAfterFirstConvertedToWrapBefore() {

Tests/XCTestManifests.swift

@@ -2021,6 +2021,7 @@ extension RulesTests {
         ("testWrapArgumentsDoesNotAffectSubscript", testWrapArgumentsDoesNotAffectSubscript),
         ("testWrapArgumentsDoesntIndentClosingBracket", testWrapArgumentsDoesntIndentClosingBracket),
         ("testWrapArgumentsDoesntIndentTrailingComment", testWrapArgumentsDoesntIndentTrailingComment),
+        ("testWrapArgumentsNoIndentBlankLines", testWrapArgumentsNoIndentBlankLines),
         ("testWrapBeforeFirstIfMaxLengthExceeded", testWrapBeforeFirstIfMaxLengthExceeded),
         ("testWrapChainedFunctionAfterSubscriptCollection", testWrapChainedFunctionAfterSubscriptCollection),
         ("testWrapChainedFunctionInSubscriptCollection", testWrapChainedFunctionInSubscriptCollection),