Display filtered posts with a warning (#406)

* copy changes from @LucasGGamerM
* simplify building filter item
* fix adapter ranges
* change filter item styling

closes sk22#209 

Co-authored-by: LucasGGamerM <71328265+LucasGGamerM@users.noreply.github.com>

mastodon/src/main/java/org/joinmastodon/android/model/Filter.java

@@ -19,6 +19,7 @@ public class Filter extends BaseModel{
 	public String id;
 	@RequiredField
 	public String phrase;
+	public String title;
 	public transient EnumSet<FilterContext> context=EnumSet.noneOf(FilterContext.class);
 	public Instant expiresAt;
 	public boolean irreversible;
@@ -50,6 +51,7 @@ public class Filter extends BaseModel{
 			else
 				pattern=Pattern.compile(Pattern.quote(phrase), Pattern.CASE_INSENSITIVE);
 		}
+		if (title == null) title = phrase;
 		return pattern.matcher(text).find();
 	}
 
@@ -61,6 +63,7 @@ public class Filter extends BaseModel{
 	public String toString(){
 		return "Filter{"+
 				"id='"+id+'\''+
+				", title='"+title+'\''+
 				", phrase='"+phrase+'\''+
 				", context="+context+
 				", expiresAt="+expiresAt+

mastodon/src/main/java/org/joinmastodon/android/model/Status.java

@@ -58,6 +58,7 @@ public class Status extends BaseModel implements DisplayItemsParent{
 	public boolean bookmarked;
 	public boolean pinned;
 
+	public transient boolean filterRevealed;
 	public transient boolean spoilerRevealed;
 	public transient boolean hasGapAfter;
 	private transient String strippedText;