Fix other minor suggestion bugs

worldedit-core/src/main/java/com/sk89q/worldedit/command/util/SuggestionHelper.java

@@ -51,7 +51,7 @@ public final class SuggestionHelper {
         if (tag.isEmpty() || tag.equals("#")) {
             return Stream.of("##", "##*");
         }
-        if (tag.startsWith("#")) {
+        if (tag.startsWith("##")) {
             if (tag.equals("##")) {
                 return Stream.concat(Stream.of("##*"), getNamespacedRegistrySuggestions(BlockCategory.REGISTRY, tag.substring(2)).map(s -> "##" + s));
             } else if (tag.equals("##*") && allowRandom) {

worldedit-fabric/src/main/java/com/sk89q/worldedit/fabric/CommandWrapper.java

@@ -111,7 +111,8 @@ public final class CommandWrapper {
             // Ensure there is a space!
             if (suggestion.getStart() == suggestion.getEnd()
                     && suggestion.getEnd() == builder.getInput().length()
-                    && !builder.getInput().endsWith(" ")) {
+                    && !builder.getInput().endsWith(" ")
+                    && !builder.getInput().endsWith("\"")) {
                 suggestionText = " " + suggestionText;
             }
             result.add(new Suggestion(

worldedit-forge/src/main/java/com/sk89q/worldedit/forge/CommandWrapper.java

@@ -103,7 +103,8 @@ public final class CommandWrapper {
             // Ensure there is a space!
             if (suggestion.getStart() == suggestion.getEnd()
                 && suggestion.getEnd() == builder.getInput().length()
-                && !builder.getInput().endsWith(" ")) {
+                && !builder.getInput().endsWith(" ")
+                && !builder.getInput().endsWith("\"")) {
                 suggestionText = " " + suggestionText;
             }
             result.add(new Suggestion(