chore: make all the regexes static const

Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>

launcher/pathmatcher/FSTreeMatcher.h

@@ -1,7 +1,6 @@
 #pragma once
 
 #include <SeparatorPrefixTree.h>
-#include <QRegularExpression>
 #include "IPathMatcher.h"
 
 class FSTreeMatcher : public IPathMatcher {

launcher/pathmatcher/MultiMatcher.h

@@ -1,7 +1,6 @@
 #pragma once
 
 #include <SeparatorPrefixTree.h>
-#include <QRegularExpression>
 #include "IPathMatcher.h"
 
 class MultiMatcher : public IPathMatcher {

launcher/pathmatcher/RegexpMatcher.h

@@ -12,6 +12,8 @@ class RegexpMatcher : public IPathMatcher {
         m_onlyFilenamePart = !regexp.contains('/');
     }
 
+    RegexpMatcher(const QRegularExpression& regex) : m_regexp(regex) { m_onlyFilenamePart = !regex.pattern().contains('/'); }
+
     RegexpMatcher& caseSensitive(bool cs = true)
     {
         if (cs) {

launcher/pathmatcher/SimplePrefixMatcher.h

@@ -2,7 +2,6 @@
 //
 // SPDX-License-Identifier: GPL-3.0-only
 
-#include <QRegularExpression>
 #include "IPathMatcher.h"
 
 class SimplePrefixMatcher : public IPathMatcher {